Unit 8 Practice Test

The diagonal of Maria’s rectangular computer monitor is 41 inches. The width of her monitor is 35 inches. Which measurement is closest to the height of Maria’s monitor?

• 9.2 inches

• 20.2 inches

• 37.8 inches

• 53.4 inches

Tags

CCSS.8.G.B.8

Which statement about triangle XYZ is true, given the side lengths XY = 8 mm, XZ = 10 mm, and YZ = 5 mm?

• Angle X is a right angle.

• Angle Y is a right angle.

• Angle Z is a right angle.

• This is not a right triangle

Tags

CCSS.2.G.A.1

On a coordinate grid, the distance between point P and point Q is 10 units. Point P is located at (2, -5). Point Q is located at (x, 3). Which value could be the value of x?

• 6

• 12

• 14

• 18

Tags

CCSS.HSG.GPE.B.7

What is the length of the diagonal of a rectangle with side lengths 9 cm and 12 cm?

• 10.5 cm

• 21 cm

• 13.5 cm

• 15 cm

Tags

CCSS.8.G.B.8

Point A is at (4, 7) and point B is at (10, y) on a coordinate grid. If the distance between A and B is 10 units, what could be the value of y?

• 1

• 17

• 7

• 13

Tags

CCSS.HSG.GPE.B.7

Which set of side lengths could form a right triangle?

• 7 cm, 9 cm, 15 cm

• 6 cm, 8 cm, 10 cm

• 4 cm, 4 cm, 7 cm

• 5 cm, 5 cm, 5 cm

Tags

CCSS.8.G.B.8

Find the value of x to the nearest tenth

• 5.5
• 7.2
• 8.0
• 4.5

Tags

CCSS.8.G.B.7

Find the missing side length of the triangle. Type your answer as a number. Round to the nearest tenth if necessary.

(a)  

Tags

CCSS.8.G.B.7

What is the length of the missing side of a right triangle if one side is 9 units and the hypotenuse is 15 units?

• 12 units

• 10 units

• 6 units

• 8 units

Tags

CCSS.8.G.B.7

A rectangle has a width of 16 cm and a diagonal of 20 cm. What is the length of the rectangle to the nearest whole number?

• 12 cm

• 15 cm

• 10 cm

• 8 cm

Tags

CCSS.8.G.B.8