PSA79N7 - Grade 8 Mathematics Practice Test 2013

What is the value of the expression below? Select one:

Seth drew a figure on a coordinate grid and labeled one point P, as shown below. He then rotated the figure 180° clockwise around point P. Which of the following shows the figure after Seth rotated it?

A) B) C) D) Select one:

Carmella graphed line p on the coordinate grid shown below. Which of the following lines appears to have the same slope as line p? Select one:

The total cost in dollars, y, of a membership at each of four health clubs is represented below in terms of x, the number of months of the membership.

• Health Club A:
• y=12x+60
• Health Club B:
• • Health Club C
• • Health Club D:
• A customer pays a one-time fee of \$20 plus \$20 each month for x months

Which representation has the greatest rate of change?

Select one:

In 2005, the U.S. Mint in Denver produced Oregon state quarters. What is written in standard notation?

Select one:

What is the solution of the equation below?

3x+7=1

x=?

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

Which of the following equations has infinitely many solutions?

Select one:

Which of the following numbers is not a rational number?

Select one:

The students in a science club planted a rectangular flower garden in front of their school. The garden is 6 feet wide and has a diagonal length of 10 feet. What is x, the length in feet of the garden?

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

What is the value of the expression below?

(-3)3(-2)2

Select one:
Part A)

Tony collected data on the years of employment and the annual salaries of the salespeople at Company Z. He made a scatterplot and drew a trend line that approximated the line of best fit for the data, as shown below. a) Based on the trend line drawn for the data, what is the salary a salesperson with 3 years of employment at Company Z can expect to earn? Do not include units (\$) in your answer.

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

Part C)

b) What is the slope of the trend line that Tony drew?

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

Part E)

c) What does the slope mean in this situation?

Part F)

Tony expects his salary to be about \$70,000 after he has been employed as a salesperson at Company Z for 15 years.

d) Use the trend line and your answer from part (b) to explain why Tony’s salary expectation is reasonable.

A mathematical puzzle uses four triangles with the dimensions shown below. Which of the following triangles are congruent?

Select one:

A candy is in the shape of a sphere. The candy has a radius of 1.5 centimeters. Which of the following is closest to the volume of the candy? (Use 3.14 for π.)

Select one:

The system of equations represented by lines p and q is shown on the graph below. Based on the graph, what is the solution of the system of equations?

Select one:

Barb purchased a loaf of bread for \$2 and p pounds of sliced ham at \$5 per pound for a total of \$13.25. The relationship between what she purchased and her total purchase price is represented by the equation below.

5p+2=13.25

What was the total number of pounds of ham that Barb purchased?

Select one:

Triangle EFG is similar to triangle TUV, as shown below  Based on the measurements of the triangles, what is the measure of angle U?

Select one:

A mailing tube in the shape of a cylinder has a height of 24 inches and a radius of 3 inches. What is the volume, in cubic inches, of the mailing tube? (Use 3.14 for π)

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

Which of the following tables does not represent a function?

A) B) C) D) Select one:

Amanda graphed line m and line n on a coordinate plane, as shown below. Which of the following statements is true?

Select one:
Part A)

Some of the students from Eastwood School are taking a trip to a museum. In all, fewer than 60 students will go on the trip. The cost for food and admission to the museum is \$18 per student.

a) What is the total cost for food and admission to the museum for 15 students? Do not include units (\$) in your answer.

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

Part C)

b) The students will travel on one bus to the museum. The cost of the bus is \$800.

Copy and complete the table below to show the total cost for food, admission, and the bus for different numbers of students to go to the museum. Create and fill in the table using the table button Part D)

Part E)

c) Write an expression that can be used to find the total cost for food, admission, and the bus for n students from Eastwood School to go to the museum.

Complete the equation below

total cost = _______________

Part F)

d) A total of 44 students go to the museum. What is the total cost, for food, admission, and the bus, per student to go to the museum? Do not include units (\$) in your answer.

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