State Test Review 8th Grade Math

Which equation represents the line shown on the coordinate plane below?

• $y\ =4x$

• $y\ =\ -4x$

• $y\ =\ \frac{1}{4}x$

• $y\ =\ -\frac{1}{4}x$

Triangle A and triangle B are graphed on the coordinate plane.

Which sequence of transformations will map triangle A onto its congruent image, triangle B ?

• a reflection over the x axis, then a reflection over the y axis

• a translation 8 units down, then a reflection over the y axis

• a reflection over the x axis, then a translation 6 units to the left

• a rotation 90° clockwise about the origin, then a translation 6 units to the left

A line is graphed on the coordinate plane below.

Line y = −x + 2 will be graphed on the same coordinate plane to create a system of equations. What is the solution to that system of equations?

• (−2,4)

• (0,−4)

• (2,−4)

• (4,−2)

Patty has a flower box in the shape of a rectangular prism with interior dimensions that are 15 inches in length, 8 inches in width, and 6 inches in height. Patty will fill the flower box  $\frac{3}{4}$   full of soil. How many cubic inches of soil will be in the flower box?

• 387

• 516

•  540

• 720

Which statement best describes the data in a scatter plot where the y values are decreasing as the x values are increasing?

• The data can best be modeled by a vertical line

• The data can best be modeled by a horizontal line

• The data can best be modeled by a line with a positive slope.

• The data can best be modeled by a line with a negative slope.

Which proportional relationship has the greatest rate of change?

• $y=7x$

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• 

Which expression is equivalent to (5⁻²)⁵ × 5⁴?

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• 

Linear functions M and P are shown below.

In comparing the rates of change, which statement about Function M and Function P is true?

• Their rates of change differ by 2.

• Their rates of change differ by 4.

• Function M has a greater rate of change than Function P

• Function M and Function P have the same rate of change.

The scatter plot shows the average number of customers who visit a food truck per day, depending on the number of days the food truck stays in the same location.

Which statement best describes the association between the number of days the food truck is in the same location and the number of customers who visit the food truck per day?

• There is no association.

• There is a nonlinear association.

• There is a positive linear association

• There is a negative linear association.