Proving Lines Parallel with Algebra

Lines r and s are cut by a transversal. What value of x proves r ∥ s?

• 43
• 37
• 143
• 37

Tags

CCSS.8.G.A.5

Solve for  y.

• y = 20
• y = 120
• y = 60
• y = 10

Tags

CCSS.8.G.A.5

What is the value of x?

• 22
• 26
• 24
• 23

Tags

CCSS.8.G.A.5

Which lines are parallel, and why?

• m || n because corresponding angles are congruent

• m || n because alternate interior angles are congruent

• p || q because corresponding angles are congruent

• p || q because alternate interior angles are congruent

Tags

CCSS.8.G.A.5

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

• 14
• 12.5
• 15
• 25

Tags

CCSS.8.G.A.5

Supply the second reason.

• Linear Pair Postulate

• Alternate Interior Angles Theorem

• Vertical Angles Theorem

• Corresponding Angles Postulate

Supply the third reason.

• Vertical Angle Theorem

• Corresponding Angles Postulate

• Alternate Interior Angles Postulate

• Same Side Interior Angles Theorem

Tags

CCSS.8.G.A.5

Find the vaule of y

• 19

• 27

• 39

• 15

Tags

CCSS.8.G.A.5

Find the Value of x that will make the line PT and line CW parallel.

• 9

• 2

• 12

• 8

Tags

CCSS.8.G.A.5

For what value of x are the lines parallel? What is the angle relationship between the angles given?

• x = 27 by Alternate Interior Angles Thm

• x = 63 by Alternate Interior Angles Thm

• x = 17 by Alternate Exterior Angles Thm

• x = 63 by Alternate Exterior Angles Thm

Tags

CCSS.8.G.A.5