Free Printable Pre-Algebra Exam 8 Review

1.

What value of 'x' makes the equation true? $1.2x-6=0.8x+9$

a)

3.75

b)

7.5

c)

75

d)

37.5

2.

Which of the following lists the numbers shown in order from GREATEST to LEAST?

$\sqrt{62},\ 4\sqrt{3},\ 6,\ 7$

a)

$6,\ 4\sqrt{3},\ 7,\ \sqrt{62}$

b)

$\sqrt{62},\ 7,\ 4\sqrt{3},6$

c)

$7,\ \sqrt{62},\ 4\sqrt{3},\ 6$

d)

$6,\ \sqrt{62},\ 4\sqrt{3},\ 7$

3.

A gas tank is being used. The graph shows the remaining gallons in the tank over time. Which statement best describes the rate of change for this situation?

a)

The level of the gas is decreasing by 5 gallons every minute.

b)

The level of the gas is increasing by 5 gallons every minute.

c)

The level of the gas is decreasing by 1 gallon every 5 minutes.

d)

The level of the gas is increasing by 1 gallon every 5 minutes.

4.

The graph shows the change in temperature before a storm. What is the slope of the line that models this situation?

(a)

5.

Which values could replace a and b in the domain below to make the list of ordered pairs a function?

$\left\{\left(-4,2\right),\ \left(1,\ 7\right),\ \left(a,\ 4\right),\ \left(b,\ 8\right),\ \left(5,\ -2\right)\right\}$

a)

{1, -4}

b)

{5, 8}

c)

{-8, 2}

d)

{4, 1}

6.

Which function is best represented by the graph?

a)

$y=\frac{2}{3}x+1$

b)

$y=-\frac{2}{3}x+1$

c)

$y=1x-1.5$

d)

$y=\frac{2}{3}x-1.5$

7.

The drawing shows three squares that intersect at their vertices to form a right triangle. Which is the area of square b, based on the given side lengths for a and c?

a)

31.4cm²

b)

988cm²

c)

36cm²

d)

26cm²

8.

Lori deposited $475 in an account that earned 6.8% simple interest.

She did not make an additional deposits and she did not withdraw any money from the account.

What was the balance in Lori's account after 4 years?

a)

$142.99

b)

$617.99

c)

$129.20

d)

$604.20

9.

The scatterplot shows the number of millions of viewers of different seasons of a TV show.

Based on the scatterplot, what would be a good prediction for the number of viewers of season 7 of this show?

a)

18 million viewers

b)

22 million viewers

c)

24 million viewers

d)

20.5 million viewers

10.

A triangle is to be dilated with the origin as the center of dilation and a scale factor of $\frac{1}{3}$ . Which answer choice correctly maps this dilation algebraically?

a)

$\left(x,y\right)\rightarrow\left(x+\frac{1}{3},y+\frac{1}{3}\right)$

b)

$\left(x,y\right)\rightarrow\left(x-\frac{1}{3},y-\frac{1}{3}\right)$

c)

$\left(x,y\right)\rightarrow\left(\frac{x}{.33},\frac{y}{.33}\right)$

d)

$\left(x,y\right)\rightarrow\left(\frac{1}{3}x,\frac{1}{3}y\right)$

11.

If a point is translated up 4 units, what are the new coordinates expressed as an algebraic representation?

a)

$\left(x,\ y+4\right)$

b)

$\left(x+4,\ y\right)$

c)

$\left(x+4,\ y+4\right)$

d)

$\left(x,4y\right)$

12.

An architect uses the pictured cylindrical container to protect her blueprints. The dimensions of the cylinder are shown.

Which measurement is closest to the total surface area of the container in square inches?

a)

301.6cm²

b)

603.2cm²

c)

804.2cm²

d)

201.1cm²

13.

A rectangular prism and its dimensions are shown in the diagram.

What is the total surface area of this prism in square inches?

(a)

14.

Snacks at the circus are sold in containers shaped like a cone or a cylinder. The dimensions of each container are shown in the drawings.

Which statement about the volumes of the cone and the cylinder is true?

a)

The volume of the cylinder is 38 cubic centimeters less than the volume of the cone.

b)

The volume of the cylinder is 38 cubic centimeters more than the volume of the cone.

c)

The volume of the cylinder is 150 cubic centimeters less than the volume of the cone.

d)

The volume of the cylinder is 150 cubic centimeters more than the volume of the cone.

15.

A fishbowl shaped like a sphere is filled with water. The fishbowl has a diameter of 19 inches. Which measurement is closest to the volume of water in the fishbowl in cubic inches?

a)

1,512.15in³

b)

28,730.91in³

c)

378.04in³

d)

3,591.36in³

Pre-Algebra Exam 8 Review

Total questions: 15

Worksheet time: 30mins

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