8th Grade Math EOY Review

Using the Pythagorean theorem, what is the value of 'd' in the right triangle shown in the diagram?

• 6.3 in.

• 4.0 in.

• 14.3 in.

• 19.8 in.

What is the correct equation to find the value of 'x' in the triangle where the perimeter is 17x units?

• 17x = 30 + 7x

• 17x = 15 + 22x

• 17x = 7 + 30x

• 17x = 22 + 15x

Refer to the scatterplot provided. What is the best prediction of the weight in pounds of a dog that is 28 weeks old?

• F: 12 lb

• G: 75 lb

• H: 45 lb

• J: 105 lb

Gwen spent $12.50 to purchase 5 bracelets. Each bracelet cost the same amount. Which graph has a slope that best represents this rate?

• A

• B

• C

• D

A cylinder has a height of 5 feet and a diameter of 2 feet. Which measurement is closest to the volume of the cylinder in cubic feet?

• 62.8 ft³

• 15.7 ft³

• 78.5 ft³

• 157.1 ft³

Which number could be the missing number in the sequence 18/5, 3.71, ____, √17?

• 4.5

• 3.8%

• 57/15

• (3.9)²

A rectangle is graphed on a coordinate grid. Which transformation will result in a rectangle that is NOT congruent to the original rectangle?

• A dilation by a scale factor of 3

• A rotation of 180° counterclockwise

• A translation 90 units to the right

• A reflection across the x-axis

Monica wants to open a savings account with a deposit of $3,000. Monica will not make any additional deposits or withdrawals after she opens the account. Her bank offers two different savings accounts.

● Account X pays 2.1% simple annual interest.

● Account Y pays 2.4% interest compounded annually.

Which statement about these accounts at the end of 5 years is true?

• Account X would earn Monica about $62.70 more interest than Account Y.

• Account Y would earn Monica about $62.70 more interest than Account X.

• Account X would earn Monica about $45.00 more interest than Account Y.

• Account Y would earn Monica about $45.00 more interest than Account X.

What is the y-intercept of the graph of this function?

• 3/2

• 4/5

• 5/3

• 4/3

A circle is graphed on a coordinate grid with its center at (−4, 7). The circle will be translated p units to the right and v units down. Which rule describes the center of the new circle after this translation?

• (x, y) --> (−4 + p, 7 + v)

• (x, y) --> (−4 + p, 7 − v)

• (x, y) --> (−4 − p, 7 − v)

• (x, y) --> (−4 − p, 7 + v)