Circle the correct answersMTH # 1

Question 1 of 20

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What is the simplified form of the expression?

A.

B.

C.

D.

Question 2 of 20

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Write the explicit formula for the geometric sequence.

a1 = -5 a2 = 20 a3 = -80

A. an = -5 • (-4)n

B. an = -5(-4)n-1

C. an = -4(-5)n-1

D. an = -5 • (4)n

Question 3 of 20

5.0/ 5.0 Points

What is the simplified form of the expression?

A.

B.

C.

D.

0.0/ 5.0 Points

Question 4 of 20

What is the value of

A.

B.

128

C.

for x = 2 and y = -4?

D.

-128

Question 5 of 20

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What is each expression written using each base only once?

A.

B.

C.

D.

Question 6 of 20

Simplify the expression.

A.

B.

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C.

D.

Question 7 of 20

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A population of 1,750 cheetahs decreases by 11% per year. How many cheetahs will there be in the

population after 10 years? Round your answer to the nearest whole number.

A. 4969

B. 486

C. 546

D. 1640

Question 8 of 20

5.0/ 5.0 Points

Suppose an investment of $3,800 doubles in value every decade. The function

gives the

value of the investment after x decades. How much is the investment worth after 2 decades?

A. $152,000

B. $15,200

C. $76,000

D. $7,600

Question 9 of 20

Find the simplified form of the expression. Give your answer in scientific notation.

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A.

B.

C.

D.

Question 10 of 20

5.0/ 5.0 Points

Find the simplified form of the expression. Give your answer in scientific notation.

A.

B.

C.

D.

Question 11 of 20

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What is the simplified form of the expression?

A.

B.

C.

D.

Question 12 of 20

What is the simplified form of the expression?

A.

B.

C.

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D.

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Question 13 of 20

What is the simplified form of the expression?

A.

B. c5d3

C.

D. c2d4

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Question 14 of 20

What is the value of

A.

16

B.

-4

for x = 2 and y = –4?

C.

D.

-16

Question 15 of 20

5.0/ 5.0 Points

Suppose the population of a town is 8,600 and is growing 3% each year. Predict the population after 3

years.

A. about 77,400 people

B. about 9,397 people

C. about 26574 people

D. about 232,200 people

Question 16 of 20

5.0/ 5.0 Points

Suppose that the population of deer in a state is 1,500 and is growing 2% each year. Predict the

population after 4 years.

A. about 12,000 deer

B. about 1,624 deer

C. about 3,110 deer

D. about 24,000 deer

Question 17 of 20

0.0/ 5.0 Points

What is the simplified form of the expression?

A.

B.

C.

D.

Question 18 of 20

0.0/ 5.0 Points

What is the simplified form of the expression?

A.

B.

.

C.

D.

Question 19 of 20

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What is the simplified form of the expression?

A.

B.

C.

D.

Question 20 of 20

What is the simplified form of the expression?

A.

B.

C.

D.

0.0/ 5.0 Points

MTH # 2

Question 1 of 30

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What is the side length b in the triangle below?

A. 8

B. 16

C. 2.8

D. 23.3

Question 2 of 30

11. Simplify the expression.

A.

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B.

C.

D.

Question 3 of 30

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Can the set of lengths be the side lengths of a right triangle?

7ft, 12ft, 17 ft

A. Yes

B. No

C. Not enough information to answer the question

Question 4 of 30

3. Simplify the radical expression by rationalizing the denominator.

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A.

B.

C.

D.

Question 5 of 30

3.33/ 3.3333 Points

Can the set of lengths be the side lengths of a right triangle? 18 m, 24 m, 30 m

A. yes

B. no

C. Not enough information given to answer the question.

Question 6 of 30

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Find the missing side b.

A. 13

B. 19.7

C. 16.1

D. 26

Question 7 of 30

7. Simplify the radical expression.

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A.

16

B.

C.

10

D.

Question 8 of 30

10. Simplify the expression.

A.

3.33/ 3.3333 Points

B.

C.

D.

Question 9 of 30

3.33/ 3.3333 Points

An airplane over the Pacific Ocean sights an atoll at an 7° angle of depression. If the plane is

663 m above the water, how many kilometers is it from a point 663 m directly above the

atoll?(Hint: Make sure your calculator is in degrees!)

A. 5399.7 km

B. 5.4 km

C. 81.41 km

D. 760.8 km

Question 10 of 30

22. Solve

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A.

B.

C.

D.

Question 11 of 30

14. Simplify the expression.

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A.

B.

C.

D.

Question 12 of 30

What is the measure of side c in the triangle below?

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A. 13

B. 7

C. 4.1

D. 17

Question 13 of 30

2. Simplify the radical expression by rationalizing the denominator.

A.

B.

C.

D.

3.33/ 3.3333 Points

Question 14 of 30

21. Simplify the radical expression

A.

B.

C.

D.

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Question 15 of 30

9. Simplify the radical expression.

A.

B.

C.

D.

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Part 2 of 2 –

Question 16 of 30

13.33/ 49.999508 Points

0.0/ 3.3333 Points

Find the excluded value of the rational expression

A. 2

B. -2

C. 0

D. -3

Question 17 of 30

Divide.

(-6m7 + 20m6) ÷ 2m4

A.

-6m7 + 20m2

B.

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-3m3 + 20m6

C.

-3m3 + 10m2

D.

-3m7 + 10m6

Question 18 of 30

Simplify the rational expression. State any excluded values.

A.

, where x does not equal 0

B.

, where x does not equal 0

C.

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D.

, where x does not equal 5,0

Question 19 of 30

Multiply. State any excluded values.

A.

, where a does not equal 0

B.

, where a does not equal 0

C.

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, where a does not equal 0

D.

Question 20 of 30

Divide:

A.

B.

C.

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D.

Question 21 of 30

Divide

A.

B.

C.

3.33/ 3.3333 Points

D.

Question 22 of 30

Simplify the rational expression. State any excluded values.

A.

, where x does not equal -5

B.

X + 5 , where x does not equal 5

C.

, where x does not equal -2

D.

3.33/ 3.3333 Points

Question 23 of 30

3.33/ 3.3333 Points

What is the remainder of (x3 – 6×2 -9x + 3) ÷ (x – 3)

A.

B.

C.

-51

D.

Question 24 of 30

Multiply:

A.

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(k + 3)(3k +2)

B.

(3k + 1)(2k + 3)

C.

D.

Question 25 of 30

Multiply. State any excluded values.

A.

, where q does not equal 0

B.

, where q does not equal -2

C.

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, where q does not equal 3

D.

, where q does not equal 3

Question 26 of 30

Which of the following is the reciprocal of:

x2 – 2x – 8

A.

(x + 2)(x – 4)

B.

C.

D.

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Question 27 of 30

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Suppose that a sphere with radius 5a has the same volume as a cone of radius 3a. What is the

height of the cone? Give your answer in terms of a. Use the

formulas

respectively.

A.

B.

C.

D.

for the volumes of a sphere and cone

Question 28 of 30

0.0/ 3.3333 Points

Simplify the rational expression. State any excluded values.

A.

x+2

B.

C.

D.

Question 29 of 30

Simplify the rational expression. State any excluded values.

3.33/ 3.3333 Points

A. x -3, where x does not equal 3

B. x – 3, where x does not equal -2

C.

, where x does not equal 2

D. x – 2

Question 30 of 30

Divide

A.

B.

C.

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D.

MTH # 3

Graph the function and identify the domain and range.

y = -1.5×2

A.

domain:

range:

B.

domain:

range:

C.

domain:

range:

D.

domain:

range:

Question 2 of 20

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A catapult launches a boulder with an upward velocity of 112 ft/s. The height of the boulder, h, in

feet after t seconds is given by the function

.

How long does it take the boulder to reach its maximum height? What is the boulder’s maximum

height? Round to the nearest hundredth, if necessary.

A. 7 s; 30 ft

B. 3.5 s; 366 ft

C. 3.5 s; 618 ft

D. 3.5 s; 226 ft

Question 3 of 20

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Landon is standing in a hole that is 5.1 ft deep. He throws a rock, and it goes up into the air, out of

the hole, and then lands on the ground above. The path of the rock can be modeled by the equation

y = -0.005×2 + 0.41x – 5.1, where x is the horizontal distance of the rock, in feet, from Landon

and y is the height, in feet, of the rock above the ground. How far horizontally from Landon will

the rock land?

A. 66.71 ft

B. 33.35 ft

C. 15.29 ft

D. 7.65 ft

Question 4 of 20

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The table shows the estimated number of deer living in a forest over a five-year period. Which type

of function best models the data? Write an equation to model the data.

Year Estimated Population

0

100

1

79

2

62

3

49

4

39

A. linear; y = 0.79x + 100

B. quadratic; y = 100×2 + 0.79

C. exponential; y = 100 * 0.79x

D. quadratic; y = 0.79×2 + 100

Question 5 of 20

What is the value of c such that: x2 + 14x + c, is a perfect-square trinomial?

5.0/ 5.0 Points

A. 7

B. 98

C. 196

D. 49

Question 6 of 20

Graph the function. Identify the vertex and axis of symmetry.

A.

axis of symmetry:

vertex: (–0.5, –0.5)

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B.

axis of symmetry:

vertex: (0.5, –0.5)

C.

axis of symmetry:

vertex: (0.5, 0.5)

D.

axis of symmetry:

vertex: (0.5, 0.5)

Question 7 of 20

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What are the solutions of the equation?

A. 1, –

B. 0, –10

C. 0,

D. 0, 10

Question 8 of 20

Graph the set of points. Which model is most appropriate for the set?

(- 1, 20), (0, 10), (1, 5), (2, 2.5)

A.

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quadratic

B.

linear

C.

quadratic

D.

exponential

Question 9 of 20

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Solve the equation using square roots.

A. –3, 3

B. –9, 9

C.

D. no real number solutions

Question 10 of 20

Order the group of parabolas from widest to narrowest

y = 1/4x 2, y = -1/2x 2, y = 3/2x 2

A.

y = 1/4x 2, y = 3/2x 2, y = -1/2x 2

0.0/ 5.0 Points

B.

y = -1/2x 2, y = 1/4x 2, y = 3/2x 2

C.

y = 1/4x 2, y = -1/2x 2, y = 3/2x 2

D.

y = 3/2x 2, y = -1/2x 2, y = 1/4x 2

Question 11 of 20

What are the solutions of the equation 2×2 = 2? Use a graph of the related function.

A.

There are two solutions: -1 and 1.

B.

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There are two solutions: -1 and 1.

C.

There are two solutions:

D.

There are no real number solutions.

Question 12 of 20

What are the solutions of the system? Solve by graphing.

y = -2

A.

The solution of the system is (–1, –2).

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B.

The system has no solution.

C.

The solution of the system is (–1, 2).

D.

The solution of the system is (1, –2).

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Question 13 of 20

Find the vertex of the parabola by completing the square.

A. (–3,– 6)

B. (3,–1)

C. (–3,1)

D. (–1, 3)

Question 14 of 20

5.0/ 5.0 Points

Complete the following sentence:

You can verify the zeros of the function

graph _______.

A. is at a minimum

B. is at a maximum

by using a graph and finding where the

C. crosses the x-axis

D. crosses the y-axis

0.0/ 5.0 Points

Question 15 of 20

Order the group of quadratic functions from widest to narrowest graph.

,

,

A.

,

,

B.

,

,

C.

,

,

D.

,

,

Question 16 of 20

Graph the function and identify the domain and range.

y = 0.5×2

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A.

domain:

range:

B.

domain:

range:

C.

domain:

range:

D.

domain:

range:

Question 17 of 20

How is the graph of y = -4x 2 – 5 different from the graph of y = -4x 2?

A. It is shifted 5 unit(s) right.

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B. It is shifted 5 unit(s) left.

C. It is shifted 5 unit(s) up.

D. It is shifted 5 unit(s) down.

Question 18 of 20

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Use the discriminant to determine the number of real-number solutions for the equation:

8×2 + 8x + 2 = 0

A. one solution

B. two solutions

C. no solutions

D. infinitely many solutions

Question 19 of 20

0.0/ 5.0 Points

What method(s) would you choose to solve the equation:

x2 + 2x – 6 = 0

A. Square roots; there is no x-term.

B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are

large.

C. Factoring; the equation is easily factored.

D. Quadratic formula, completing the square or graphing; the coefficient of x2-term is 1, but the

equation cannot be factored.

Question 20 of 20

Graph the set of points. Which model is most appropriate for the set?

(–2, 10), (–1, 1), (0, –2), (1, 1), (2, 10)

A.

quadratic

B.

quadratic

0.0/ 5.0 Points

C.

linear

D.

exponential

MTH # 4

Question 1 of 50

38.0/ 100.0 Points

0.0/ 2.0 Points

What is the sum?

–7 + 5

A. –2

B. 12

C. –12

D. 2

Question 2 of 50

0.0/ 2.0 Points

You made two deposits to your bank account this month. One deposit was $17.92, and the

second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no

withdrawals. Write and evaluate an expression for your balance at the beginning of the month.

A. $72.31 + ($17.92 – $15.33); $74.90

B. $72.31 – $17.92 – $15.33; $39.06

C. $72.31 + $17.92 + $15.33; $105.56

D. $72.31 – ($17.92 – $15.33); $69.72

Question 3 of 50

Evaluate (ab) 2 for a = 4 and b= 3.

A. 81

2.0/ 2.0 Points

B. 144

C. 24

D. 36

Question 4 of 50

2.0/ 2.0 Points

What is the simplified form of the expression? 1/3(21m + 27)

A. 63m + 9

B. 7m + 9

C. 7m + 81

D. 7m + 27

Question 5 of 50

2.0/ 2.0 Points

What percent of 100 is 30?

A. 30%

B. 333%

C. 3.33%

D. 0.3%

Question 6 of 50

0.0/ 2.0 Points

John and 2 friends are going out for pizza for lunch. They split one pizza and 3 large drinks.

The pizza cost $12.00. They spend a total of $16.95. Find the cost of one large drink.

A. $1.65

B. $1.70

C. $2.48

D. $14.48

Question 7 of 50

2.0/ 2.0 Points

A dress that normally costs $69.50 is on sale for 45% off. What is the sale price of the dress?

A. $38.23

B. $31.28

C. $24.50

D. $1.54

Question 8 of 50

0.0/ 2.0 Points

Manny and Emma are both competing in a long jump competition at their school. Manny can

jump four fifths of the distance that Emma can jump. Manny can jump 40 inches. How far can

Emma jump?

A. 50 inches

B. 39.2 inches

C. 32 inches

D. 40.8 inches

Question 9 of 50

2.0/ 2.0 Points

What is the solution of the proportion?

A. 56

B. 672

C. 168

D. 576

Question 10 of 50

0.0/ 2.0 Points

What inequality describes the situation? Let n = the number. A number

exceeds 45.

A.

n < 45
B.
n > 45

C.

n < 45
D.
n > 45

Question 11 of 50

What are the solutions of the inequality? Check the solutions. 4x + 6 < –6
0.0/ 2.0 Points
A. x > –3

B. x > –6

C. x < –3
D. x < + 6
Question 12 of 50
2.0/ 2.0 Points
What inequality represents the verbal expression? All real numbers less
than 69.
A.
x < 69
B.
x > 69

C.

x > 69

D.

x < 69
Question 13 of 50
0.0/ 2.0 Points
You have two boxes of colored pens. The first box contains a red pen, a blue pen, and green
pen. The second box contains a yellow pen, a red pen, and a black pen. What is the set that
represents all the pens?
A. {red pen, blue pen, green pen}
B. {red pen}
C. {red pen, red pen, green pen, yellow pen, black pen}
D. {red pen, blue pen, green pen, yellow pen, black pen}
Question 14 of 50
0.0/ 2.0 Points
A snail travels at a rate of 2.35 feet per minute.
Write a rule to describe the function.
How far will the snail travel in 5 minutes?
A.
d(t) = 5t; 11.75 ft
B.
d(t) = t + 2.35; 7.35 ft
C.
d(t) =
; 2.13 ft
D.
d(t) = 2.35t; 11.75 ft
Question 15 of 50
0.0/ 2.0 Points
Suppose your business has a special checking account used just for paying the phone bill. The
balance is $740.00 this month. Next month the balance will be $707.60, after that it will be
$675.20, and on the third month the balance will be $642.80. Write an explicit formula to
represent the balance in the account as an arithmetic sequence. How many months can you pay
your phone bill without depositing any more money in the account?
A. A(n) = 740.00 - 32.40n; 22 months
B. A(n) = 740.00 + (n - 1)( –32.40); 23 months
C. A(n) = 740.00 - 32.40n; 23 months
D. A(n) = 740.00 + (n - 1)(–32.40); 24 months
Question 16 of 50
0.0/ 2.0 Points
Write a function rule that gives the total cost c(p) of p pounds of
sugar if each pound costs $0.59.
A.
c(p) = 59p
B.
c(p) =
C.
c(p) = p + 0.59
D.
c(p) = 0.59p
Question 17 of 50
0.0/ 2.0 Points
Describe a pattern in each sequence. What are the next two terms of each sequence? 2, 4, 8,
16,. . .
A. add 2 to the previous term; 14, 12
B. subtract 2 from the previous term; 32, 64
C. multiply the previous term by –2; –32, 64
D. multiply the previous term by 2; 32, 64
Question 18 of 50
2.0/ 2.0 Points
The table shows the height of a plant as it grows. What equation in point-slope form gives the
plant’s height at any time? Let y stand for the height of the plant in cm and let x stand for the
time in months.
A. y – 15 = (x – 3)
B. y – 15 = 5(x – 3)
C. y – 3 = (x – 15)
D. The relationship cannot be modeled.
Question 19 of 50
0.0/ 2.0 Points
Suppose y varies directly with x, and y = 8 when x = –6. What direct variation equation relates
x and y? What is the value of y when x = –2?
A. y = –0.75x; 1.50
B. y = –1.33x; 2.67
C. y = 1.33x; –2.67
D. y = 0.13x; –0.25
Question 20 of 50
2.0/ 2.0 Points
Write an equation of a line with the given slope and y-intercept.
m = –5, b = –3
A. y = –5x – 3
B. y = –5x + 3
C. y = 5x – 3
D. y = –3x – 5
Question 21 of 50
0.0/ 2.0 Points
What is the slope of the line that passes through the pair of points? (1, 7), (10, 1)
A. –2/3
B. 3/2
C. 2/3
D. –3/2
Question 22 of 50
2.0/ 2.0 Points
The local zoo has two water tanks for the elephant exhibit that are leaking. One water tank
contains 12 gal of water and is leaking at a constant rate of 3 gal/h. The second water tank
contains 8 gal of water and is leaking at a constant rate of 5 gal/h. When will the two tanks
have the same amount of water? Explain. Let x = the number of hours the tanks are filling and
let y = the number of gallons in the tank.
A. They will never have the same amount of water because the solution to the system is (–
2,18). It is not possible to have –2 gallons in the tanks.
B. They will never have the same amount of water because the solution to the system is (–
2,18). It is not possible to have time be –2 hours.
C. In 2 hours, because the solution to the system is (2,18).
D. In –2 hours, because the solution to the system is (–2,18).
Question 23 of 50
0.0/ 2.0 Points
The school cafeteria sells two kinds of wraps: vegetarian and chicken. The vegetarian wrap
costs $1.00 and the chicken wrap costs $1.80. Today they made $98.80 from the 70 wraps sold.
How many of the wraps sold were vegetarian?
A. 36 wraps
B. 37 wraps
C. 30 wraps
D. 34 wraps
Question 24 of 50
What is the solution of the system? Use elimination.
3x – 4y = 9
–3x + 2y = 9
A. (3, 9)
B. (–27, –9)
C. (–3, –6)
D. (–9, –9)
0.0/ 2.0 Points
Question 25 of 50
0.0/ 2.0 Points
What is the solution of the system? Use substitution.
3x + 2y = 7
y = –3x + 11
A.
(6, -3)
B.
(6, -7)
C.
D.
(5, -4)
Question 26 of 50
2.0/ 2.0 Points
A population of 1,750 cheetahs decreases by 11% per year. How many cheetahs will there be
in the population after 10 years? Round your answer to the nearest whole number.
A. 4,969
B. 486
C. 546
D. 1,640
Question 27 of 50
2.0/ 2.0 Points
What is the simplified form of the expression?
A.
B.
6x 3
C.
D.
5x 3
Question 28 of 50
2.0/ 2.0 Points
Find the simplified form of the expression. Give your answer in scientific notation.
(9 x 10 5)(6 x 10 -7)
A.
5.4 x 10 -34
B.
1.5 x 10 -1
C.
5.4 x 10 -1
D.
1.5 x 10 -34
Question 29 of 50
0.0/ 2.0 Points
Suppose that the population of deer in a state is 1,500 and is growing 2% each year. Predict the
population after 4 years.
A. about 12,000 deer
B. about 1,624 deer
C. about 3,110 deer
D. about 24,000 deer
Question 30 of 50
What is a simpler form of the expression? (2n 2 + 5n + 3)(4n – 5)
A.
8n 3 + 10n 2 – 13n – 15
B.
8n 3 + 30n 2 – 37n – 15
2.0/ 2.0 Points
C.
8n 3 – 10n 2 + 37n – 15
D.
8n 3 + 13n 2 – 10n – 15
Question 31 of 50
0.0/ 2.0 Points
What is the factored form of the expression? 3x 2 + 8x – 16
A. (3x + 4)(x – 4)
B. (3x + 4)(x + 4)
C. (3x – 4)(x – 4)
D. (3x – 4)(x + 4)
Question 32 of 50
Simplify the product using the distributive property. (-4h +2)(3h +7)
A.
-12h 2 - 22h + 14
B.
-12h 2 - 34h - 14
C.
-12h 2 + 34h - 14
0.0/ 2.0 Points
D.
-12h 2 + 22h + 14
Question 33 of 50
0.0/ 2.0 Points
Factor the polynomial. 54c 3d 4 + 9c 4d 2
A.
9c 3d 2(d 2 + 6c)
B.
9c 3d 2(6d 2 + c)
C.
9c 4d 2(d 2 + 6)
D.
9c 4d 2(6d 2 + 1)
Question 34 of 50
What are the solutions of the equation?
c2 - 10c = 0
A.
1,
B.
0.0/ 2.0 Points
0, –10
C.
0,
D.
0, 10
Question 35 of 50
2.0/ 2.0 Points
Landon is standing in a hole that is 5.1 ft deep. He throws a rock, and it goes up into the air,
out of the hole, and then lands on the ground above. The path of the rock can be modeled by
the equation y = -0.005x 2 + 0.41x - 5.1, where x is the horizontal distance of the rock, in feet,
from Landon and y is the height, in feet, of the rock above the ground. How far horizontally
from Landon will the rock land?
A. 66.71 ft
B. 33.35 ft
C. 105.29 ft
D. 7.65 ft
Question 36 of 50
2.0/ 2.0 Points
A catapult launches a boulder with an upward velocity of 112 ft/s. The height of the boulder, h,
in feet after t seconds is given by the function h = –16t 2 + 112t + 30. How long does it take the
boulder to reach its maximum height? What is the boulder’s Maximum height? Round to the
nearest hundredth, if necessary.
A. 7 s; 30 ft
B. 3.5 s; 366 ft
C. 3.5 s; 618 ft
D. 3.5 s; 226 ft
Question 37 of 50
Graph the set of points. Which model is most appropriate for the set?
(–2, 10), (–1, 1), (0, –2), (1, 1), (2, 10)
A.
quadratic
B.
0.0/ 2.0 Points
quadratic
C.
linear
D.
exponential
Question 38 of 50
Simplify the radical expression by rationalizing the denominator.
A.
B.
C.
0.0/ 2.0 Points
D.
Question 39 of 50
0.0/ 2.0 Points
What is the side length b in the triangle below?
A. 8
B. 16
C. 2.8
D. 23.3
Question 40 of 50
Simplify the expression.
0.0/ 2.0 Points
A.
B.
C.
D.
Question 41 of 50
Simplify the radical expression.
A.
10
B.
2.0/ 2.0 Points
C.
D.
Question 42 of 50
0.0/ 2.0 Points
Divide. (–6m 7 + 20m 6) ÷ 2m 4
A.
–3m 3 + 20m 6
B.
–3m 3 + 10m 2
C.
–6m 7 + 20m 2
D.
–3m 7 + 10m 6
Question 43 of 50
Simplify the rational expression. State any excluded values.
2.0/ 2.0 Points
A. –1
B. 6; where x does not equal 3
C. 3; where x does not equal 2
D. x
Question 44 of 50
What is the remainder of (x 3 - 6x 2 -9x + 3) ÷ (x - 3)?
A.
B.
C.
D.
–51
0.0/ 2.0 Points
Question 45 of 50
0.0/ 2.0 Points
The area of a rectangle is x2 - 2x - 15 and the length of the rectangle is x + 3. Find the width of
the rectangle.
A.
(x-2)(x+3)
B.
x-5
C.
x+5
D.
x2 + 15
Question 46 of 50
0.0/ 2.0 Points
The data below shows the number of kilowatt hours of electricity used by the tenants of a small
apartment building in a given month. What is a cumulative table that represents the data?
A.
B.
C.
D.
Question 47 of 50
Find the mean, median, and mode of the data set. Round to the nearest
tenth.
15, 1, 4, 4, 8, 7, 15, 4, 15, 4, 5
A. mean = 6.8, median = 5, mode = 4
2.0/ 2.0 Points
B. mean = 7.5, median = 5, mode = 4
C. mean = 7.5, median = 8, mode = 4
D. mean = 6.8, median = 5, mode = 8
Question 48 of 50
0.0/ 2.0 Points
Suppose that to make the golf team you need to score no more than 74 on average over 5
games. If you scored 77, 71, 77, and 67 in your first 4 games what is the highest score you can
shoot in your 5th game and still make the team?
A. 76
B. 78
C. 79
D. 80
Question 49 of 50
2.0/ 2.0 Points
What are the minimum, first quartile, median, third quartile, and maximum of the data set?
9, 20, 4, 18, 4, 18, 20, 9
A. minimum 4; first quartile 10; median 16.25; third quartile 19.5; maximum 20
B. minimum 4; first quartile 6.5; median 13.5; third quartile 19.5; maximum 20
C. minimum 4; first quartile 6.5; median 13.5; third quartile 19; maximum 20
D. minimum 4; first quartile 5.25; median 16.25; third quartile 19; maximum 20
Question 50 of 50
0.0/ 2.0 Points
In May, Bradley bought 48 Styrofoam balls and decorated them as toy figurines. In June, he
sold 19 figurines. In May, Lupe bought 44 Styrofoam balls to decorate, and in June, she sold
21 figurines. Which matrix represents all of their May purchases and their June sales?
A.
B.
C.
D.
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