SOL Prep #8

1. 1. Which relation shown represents a y as a function of x?

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2. 2. Simplify the following expression:

• 16x + 7

• 12x - 5

• 16x - 5

• 12x + 7

3. 3. Johan is trying to clean the gutters on his house.  He places a 16-foot ladder against the side of the house, which is 12-feet high.  How far away from the base of the wall is the bottom of his ladder?  Round your answer to the nearest tenth if necessary.

• 10.6 feet

• 20 feet

• 13.2 feet

• 14 feet

4. 4. What equation is represented by the graph shown below?

• y = 1/2x - 1

• y = 2x - 1

• y = 2x + 2

• Y = 1/2x + 3

5. 5. Shay is comparing boxplots.  Which of the statements shown is FALSE?

• Plot A and B have the same interquartile range.

• Plot C and Plot D have the same lower extreme

• Plot A has the same range as Plot D

• Plot B has a smaller median than Plot C

6.  Which list of numbers below contains ONLY Integers?

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7.  A computer was originally priced at $2,850. It is now on sale for $1,999. What is the percent of discount for the cost of the computer. Round your answer to the nearest tenth of a percent.

• 29.9%

• 42.6%

• 23.6%

• 37.2%

8.  The volume of this rectangular prism is 240 cubic inches.  If the width is changed from 4 inches to 8 inches, how will the total volume be changed?

• The volume will be cut in half

• The volume will be doubled

• The volume will be multiplied by 4

• The volume will be 1/4 smaller

9. 9. What is the surface area of the square-based pyramid shown below?

• 44.1 mm²

• 86.1 mm² 

• 173.1 mm²

• 197.4 mm²

10. 10. Josiah made a scatterplot of the data he collected in his science research project.  Using the data collected, what is the best estimate of the temperature outside when Josiah would be hearing 15 chirps for every 15 seconds?

• 30 degrees

• 42 degrees

• 51 degrees

• 60 degrees