Systems Review

Solve the system of equations by using substitution.

y = -6

-3x - 6y = 24

• (6, 6)

• (6, -6)

• (4, -6)

• (-6, 4)

Solve the system of equations by using substitution.

y=3x+14

y=-4x

• y=3

• y=1

• y= - 2

• y=4

Solve the system of equations by using substitution.

y = 3x - 8

y = 4 - x

• (3,1)

• (1,3)

• (-3,1)

• (3,-1)

x = y - 2
4x + y = 2

• (2,0)
• (0,2)
• (0, -2)
• (-2,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8A

What is the solution?

• (6, 3)
• (3, 6)
• (-6, 3)
• No solution

Tags

CCSS.8.EE.C.8A

How many solutions will this system have?

• 0

• 1

• 2

• Infinitely many

How many solutions will this system have?

• No Solution

• Infinitely Many Solutions

• No Clue

• One solution

Solve the system of equations by using elimination.

8x +10y = - 20

−8x − 6y = −4

• Infinite number of solutions

• (6, 5)

• (−6, −5)

• (5, −6)

• No Solution