7th Grade Final Exam Review Quiz

Shelly makes $10.00 an hour selling brownies at the bakery. Which graph shows the relationship between the number of hours worked and the total money earned?

• Graph A: x-axis labeled 'Hours', y-axis labeled 'Dollars', line is horizontal

• Graph B: x-axis labeled 'Hours', y-axis labeled 'Dollars', line is diagonal and starts at (0,0) and goes up

• Graph C: x-axis labeled 'Hours', y-axis labeled 'Dollars', line is flat along the x-axis

Refer to the graph showing the relationship between dollars earned and hours worked. Which option correctly represents the amount earned after 5 hours?

• $10

• $20

• $30

• $50

Mr. Williams is a chef at a restaurant, and he would like to add a new dessert to his menu. He decides to conduct a survey in order to help him make the decision about what type of dessert to add. Which of the following sampling techniques should Mr. Williams use in order to obtain the most representative sample of survey respondents?

• at the restaurant who order chocolate cake for dessert.

• children who visit the restaurant over the course of a week.

• at least one hundred randomly-chosen guests at the restaurant over the course of a week.

• one table of guests during lunch and one table of guests during dinner.

Alyssa and James are running for 7th grade class president. The students each polled 25 different students to predict the outcome of the election. The poll results are shown in the table. Poll | Number of Students Planning to Vote for Alyssa | Number of Students Planning to Vote for James 1 | 16 | 2 | 12 | 3 | 14 | 4 | 15 | A total of 200 students will vote in the election. What is the range of the number of votes for Alyssa predicted by these polls?

• A. 43 to 57 votes

• B. 72 to 104 votes

• C. 96 to 128 votes

What is the result of multiplying 12 and 16 by 10 instead of by 8?

• (option not visible)

• (option not visible)

• (option not visible)

• 120 to 160 votes

A triangle has two angles with measures of 10 and 90 degrees. The side across from the 90 degree angle has a length of 8 cm.

• A. [Diagram: Triangle with angles 90°, 10°, and side 8 opposite 90°]

• B. [Diagram: Triangle with angles 90°, 20°, and side 8 adjacent to 90°]

• C. [Diagram: Triangle with angles 90°, 10°, and side 8 not opposite 90°]

• D. [Diagram: Triangle with angles 90°, 10°, and side 8 between the two angles instead of across from the 90 degree angle.]

A diagram is shown below. [Diagram: Points P, Q, R, S with angles x° and (x-60)° at Q] Which equation can be solved to find the measure in degrees of ∠PQS?

• A. 2x - 60 = 180

• B. 2x - 60 = 90

• C. x - 60 = 90

• D. x - 60 = 180

How much greater is the area of the large pizza compared to the small pizza?

• 4π square inches

• 16π square inches

• 24π square inches

Elijah is the manager for the soccer team. After each practice, he gathers all the soccer balls and places them in the box shown below. The box has 5 faces and no top. What is the surface area of the outside of the box?

• A. 24 ft^2

• B. 60 ft^2

• C. 74 ft^2

What is the result of calculating the area of each pizza using the diameter instead of the radius in the area formula, resulting in π·14² − π·10²?

• (Option not visible)

• (Option not visible)

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• 96π square inches