Exam Prep

Gideon plots a graph to represent the number of blocks he can walk in a given number of minutes. Which equation correctly represents the line on Gideon's graph passing through the points (3, 2) and (6, 4)?

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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?

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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?

• Mr. Williams should ask all the guests at the restaurant who order chocolate cake for dessert.

• Mr. Williams should ask all the children who visit the restaurant over the course of a week.

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

• Mr. Williams should ask one table of guests during lunch and one table of guests during dinner.

Alyssa and James are running for 7th grade class president. Four students each polled 25 different students to predict the winner of the election. A total of 200 students will vote in the election. What is the range in the number of votes for Alyssa predicted by these four polls?

• A. 43 to 57 votes

• B. 72 to 104 votes

• C. 96 to 128 votes

• D. 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. Which figure represents this triangle?

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A diagram is shown below. Which equation can be solved to find the measure in degrees of ∠PQS?

• 2x - 60 = 180

• 2x - 60 = 90

• x - 60 = 90

• x - 60 = 180

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

• 4 square inches

• 16 square inches

• 24 square inches

• 96 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?

• 24 ft²

• 60 ft²

• 74 ft²

• 94 ft²

What is the volume of the object? Refer to the diagram showing a composite 3D shape consisting of two rectangular solids.

• 41 cm³

• 526 cm³

• 708 cm³

• 52,416 cm³

Michaela's class used a spinner that has 6 spaces of equal area in which the arrow can land. The areas are numbered 1, 2, 3, 4, 5, and 6. The students spun the arrow 500 times and recorded the number of the space in which the arrow landed for each spin. Which is the best prediction of the number of times the spinner landed on a space numbered greater than 4?

• A. 85

• B. 172

• C. 254

• D. 340