Quiz Review

Match the following systems to their solutions.

• (0,0)

• 
• No solutions.

• 
• (1,2)

• 
• (1,-1)

• 

Write the new equation to solve after using the substitution process correctly for the system.

y = 5x - 7

-3x - 2y= -12

• -3(5x - 7) - 2y= -12

• -3x - 2(5x-7) = -12

• -3x -2y = 12(5x-7)

Write the new equation to solve after using the substitution process correctly for the system.

y = x - 1

2x - 3y= -1

• 2(x-1) - 3y= -1

• 2x - 3(x-1) = -1

• 2x -3y = 12(x-1)

Which is the correct form of substitution?

• 3x - 8(5x-3)= - 3

• 3(5x-3)-8y = -3

• 3x - 8y = -3(5x-3)

Which equation is correctly using substitution for the system shown?

y = x + 6

y = -2x − 3

• x + 6 = -2x − 3

• y = x + 6 − 2x − 3

Which equation is correctly using substitution for the system shown?

y = x + 6

y = -2x − 3

• x + 6 = -2x − 3

• y = x + 6 − 2x − 3