PSA8BH4 - Grade 8 Mathematics Practice Test 2012

A cooking instructor stated that 5 pounds of roast beef is needed to serve 8 people. Based on the instructor’s statement, which of the following equations can be used to find r, the number of pounds of roast beef needed to serve 12 people?

Select one:

Which of the following is equivalent to the expression below?

4(26 + 59)

Select one:

The graph below represents the relationship between x, the number of months Camille works, and y, the number of vacation days Camille earns.

What is the number of vacation days Camille will earn for 6 months of work?

Select one:

Which of the following will always be similar?

Select one:

Cesar and his brother Michael left home for a walk at the same time. The graph below shows the distance each boy walked over time.

Based on the graph, which statement is true?

Select one:

A store claims it has served more than 3 billion customers. What is 3 billion written in scientific notation?

Select one:

Line m and line n are parallel lines intersected by transversal line l, as shown below.

Which of the following pairs of angles must have the same measure?

Select one:

Tori graphed the line shown below.

Which of the following graphs shows the result of increasing the y-intercept of Tori’s line by 1 and leaving the slope the same?

Select one:

Brad purchased a bag of apples for \$2 and b pounds of bananas for \$0.50 per pound. He spent a total of \$3. The total price of his purchase is represented by the equation below.

What was the total number of pounds of bananas that Brad purchased?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part A)

One lap around a track is  mile. On Monday, Stacy ran 11 laps.

What was the total number of miles that Stacy ran on Monday?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Show your reasoning on paper, take a picture, and upload it using the image upload icon .

If you do not have the ability to upload an image of your work, type "Work is on paper."

Part C)

It took Stacy  hour to run 11 laps on Monday.  What was Stacy’s average speed, in miles per hour, on Monday?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part D)

Show your reasoning on paper, take a picture, and upload it using the image upload icon .

If you do not have the ability to upload an image of your work, type "Work is on paper."

Part E)

Stacy’s goal is to run at an average speed of 1 mile per 10 minutes.

What is the number of laps that she must run in  hour to reach her goal?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part F)

Show your reasoning on paper, take a picture, and upload it using the image upload icon .

If you do not have the ability to upload an image of your work, type "Work is on paper."

Two car rental companies charge a onetime fee and a mileage rate for renting a car. The graph below compares the costs for renting cars from the two companies.

Based on the graph, which of the following statements appears to be true about the costs of renting cars from the two companies?

Select one:

A right triangle is shown below.

Based on the measures in the triangle, what is x?

Select one:

The expression below represents Brianna’s age in terms of m, Molly’s age.

Which of the following statements must be true?

Select one:

Two triangles have the same area. The base length of the first triangle is 2 times the base length of the second triangle.

Which of the following statements correctly compares the heights of the two triangles?

Select one:

Anthony rode his bicycle from his home to school. The graph below shows the distance, in miles, that Anthony rode over time.

During which time interval was Anthony riding his bicycle at the greatest speed?

Select one:

A triangle and some of its dimensions are shown in the diagram below.

Based on the dimensions in the diagram, what is x, the height in feet of the triangle?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):

As shown in the box below, a baseball player’s batting average is calculated by dividing the total number of the player’s hits by the total number of times the player was at bat.

Donald was at bat a total of 120 times last season. If his batting average was 0.250, what was his total number of hits last season?

Select one:

Rectangle ABCD is similar to rectangle EFGH. The rectangles and some of their dimensions are shown in the diagram below.

Based on the diagram, what is the length, in inches, of side FG?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):

A hexagon and the measures of some of its angles are shown below.

What is the measure of ?

Select one:

Kareema earned \$22.50 for 3 hours of baby-sitting. At this rate, which equation can be used to find y, the amount of money Kareema will earn for x hours of baby-sitting?

Select one:
Part A)

Part A:

The students at Smithfield Middle School are enrolled in Art, Music, both Art and Music, or neither Art nor Music.

• A total of 88 students are enrolled in both Art and Music.

• A total of 194 students are enrolled in Art.

• A total of 143 students are enrolled in Music.

• There are a total of 351 students at the school.

What is the number of students who are enrolled in Music but not in Art?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Show your reasoning on paper, take a picture, and upload it using the image upload icon .

If you do not have the ability to upload an image of your work, type "Work is on paper."

Part C)

Copy the Venn Diagram below.

Use the information in Part A above to complete the Venn Diagram you copied.

Complete your Venn Diagram on paper, take a picture, and upload it using the image upload icon .

If you do not have the ability to upload an image of your work, type "Work is on paper."

Part D)

What is the number of students who are enrolled in neither Art nor Music?

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part E)