MCAS 2002, 8th Grade Math, Questions 17 to 20

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Question #17

Latoya and Keith dropped a ball from various heights and measured the height of the first bounce. They recorded their data in the chart below.

Which equation best shows the relationship between the height from which the ball was dropped and the height of the ball’s first bounce?

Triangle ABC and triangle DEF are shown on the grid below.

Which of the following transformations will map triangle ABC onto triangle DEF?

A. Reflect triangle ABC over the y-axis and shift up 6 spaces.

B. Reflect triangle ABC over the x-axis and shift up 6 spaces.

C. Reflect triangle ABC over the y-axis and shift down 6 spaces.

D. Reflect triangle ABC over the y-axis, reflect over the x-axis, and shift down 4 spaces.

What is the ratio of the circumference of a circle to its diameter?

Let x be a positive, even number that is less than 10. Write one ordered pair (x, y) that would make the equation y = x + 3 true.