Equations for Parallel Lines and Transversals

Which equation has a slope that is parallel to the line y = -x + 2?

• y = -x - 5

• y = 2x + 1

• y = x + 2

• y = 3x + 2

Which condition will prove that line l is parallel to line m?

• ∠1 ≅ ∠3

• ∠3 ≅ ∠5

• ∠1 ≅ ∠6

• ∠6 ≅ ∠5

Line l and m are intersected by transversal n.  Which statement proves that line l is parallel to line m?

• ∠2 ≅ ∠3

• ∠2 ≅ ∠6 

• m∠7 + m∠8 = 180°

• m∠3 + m∠5 = 90°

Line v is a transversal.  Which is a true statement?

• w // x and x // y

• w // x and y // z

• w // y and x // z

• w // z and x // y

If a // b and c // d in the figure below, then what is the value of x?

• 47

• 57

• 133

• 143

What value of x proves that line p is parallel to line r?

• 14

• 12.5

• 15

• 25

Which value of x will show that lines l and m are parallel?

• 20

• 22

• 24

• 25

Find x

• 80

• 100

• 90

• 180

What is the measure of ∠8?

• 55

• 155

• 135

• 45

Solve for y.

• y = 20

• y = 120

• y = 60

• y = 10