FINALS 2024-2025

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

• 43

• 37

• 143

• 37

Find x

• 12

• 15

• 9

• 3

Solve for x.

• 10.5

• 11.5

• 34

• 34.5

Find y.

• 130

• 50

Solve for x & list how you found it

• 32... Same Side Interior = 180

• 32... Alternate Interiors = 180

• 32... Corresponding angles are congruent

• -20... Alternate Interiors are equal

• -20... Same Side Interiors are =

Solve the system using any method. 
−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 
• Infinite number of solutions  
• No solutions
• (6, 4) 

Solve by elimination:
3x+7y=23

-3x-7y=-17

• No solution
• ARN
• (-3,3)
• (3,3)

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

What is the best first step to solve this system by elimination?

• Add the equations to eliminate y

• Subtract the equations to eliminate y

• Multiply the second equation by 3.

• Multiply the first equation by 2

What is the best first step to solve this system by elimination?

• Add the equations to eliminate y

• Multiply the first equation by 2

• Multiply the second equation by 3

• Add the equations to eliminate x