Unit 1: Adv Pre/Post Assessment

Which of the following equations could be used to find the value of x in the problem shown below?

Find the value of x if m∠XOW = (4x + 2)° and m∠YOW = 110°

• (4x+2) = 110

• (4x+2) +110 = 180

• 2(4x+2) = 110

• 2(4x+2) +110 = 180

Tags

CCSS.7.G.B.5

An angle is three-fifths the measure of its supplement. Find the measures of the angle.

Answer explanation

Did you set up part + part = whole or part = part?

Tags

CCSS.7.G.B.5

Ray XB bisects ∠AXC, m∠AXB = (3x + 8)°, and

m∠BXC = (6x - 7)°. Find m∠BXC.

Answer explanation

Did you set up part + part = whole or part = part?

Tags

CCSS.7.G.B.5

In the figure below, B is the midpoint of segment AC,

AB = 14x - 15 and BC = 4x + 45. Find AC.

• 138

• 6

• 12

• 69

Answer explanation

Did you set up part + part = whole or part = part?

Tags

CCSS.HSG.CO.C.10

• 4
• -1

• 4, -1

• neither answer works

Tags

CCSS.HSG.SRT.B.4