8th Grade Math OST '23 Test Questions

An equation is given.

a² = 36

What is the solution to the equation?

• 6

• 18

• -6

• 72

Tags

CCSS.8.EE.A.2

Which set of ordered pairs represents a function?

• (1, 1), (2, 5), (2, 8), (3, 15)

• (-1, 2), (0, 0), (1, 2), (2, 4)

• (1, -2), (2, 3), (1, 4), (3, -5)

• (-1, -1), (-1, 1), (-1, 3), (-1, 4)

Tags

CCSS.8.F.A.1

A pebble weighs 3.2 x 10^-2 pounds. A large boulder weighs 9 x 10³ pounds. How many times larger is the weight of the boulder than the weight of the pebble? Convert your answer to standard form.

Tags

CCSS.8.EE.A.4

What is the length of AB to the nearest tenth of a centimeter?

• 5.0 cm

• 12.2 cm

• 12.4 cm

• 13.0 cm

Tags

CCSS.8.G.B.7

Kristi drives from Columbus, Ohio to Cincinnati, Ohio.

Match the graph to the quantity which would best represent the value of y with respect to time, x, in minutes, to Kristi's drive.

• Amount of gas in the gas tank

• Distance from Cincinnati

• Distance from Columbus

Tags

CCSS.HSF.IF.B.4

Kristi drives from Columbus, Ohio to Cincinnati, Ohio.

Match the graph to the quantity which would best represent the value of y with respect to time, x, in minutes, to Kristi's drive.

• Amount of gas in the gas tank

• Distance from Cincinnati

• Distance from Columbus

Tags

CCSS.HSF.IF.B.4

Kristi drives from Columbus, Ohio to Cincinnati, Ohio.

Match the graph to the quantity which would best represent the value of y with respect to time, x, in minutes, to Kristi's drive.

• Amount of gas in the gas tank

• Distance from Cincinnati

• Distance from Columbus

Tags

CCSS.HSF-IF.C.7B

Which sequence of transformations can be performed on EFGH to prove that the parallelograms are similar?

• A reflection across the x-axis and then a dilation by a scale factor of 3 centered at the origin

• A reflection across the x-axis and then a dilation by a scale factor of 1/3 centered at the origin

• A 180 degree clockwise rotation about the origin and then a dilation by a scale factor of 3 centered at the origin

• A 180 degree clockwise rotation about the origin and then a dilation by a scale factor of 1/3 centered at the origin

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

An equation is shown.

12x - (3x + 7) = -3(4 - 3x)

How many solutions does this equation have?

• no solution

• one solution

• two solutions

• infinitely many solutions

Tags

CCSS.8.EE.C.7A

Which sequence of transformations shows that the quadrilaterals are congruent?

• Reflect EFGH across the y-axis and then translate the image 5 units to the right

• Reflect EFGH across the y-axis and then translate the image 5 units down

• Rotate EFGH 90 degrees clockwise about the origin and then translate the image 5 units to the right

• Rotate EFGH 90 degrees clockwise about the origin and then translate the image 5 units down

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6