Quiz on Solving Equations with Substitutions

Solve the following systems of equations using substitution:

y = 8

y = -4x + 4

• (8, -1)

• (-28, 8)

• (-1, 8)

• (8, -28)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following systems of equations using substitution:

x = 5

2x + y = 10

• No solution

• (0, 5)

• (5, 10)

• (5, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions does the graph have?

• One solution

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8A

What value of n makes the equation below true?

• 17

• 12

• 110

• 27

Which equation has the solution x = 3?

• 2x - 5 = 15

• 4x - 3 = 12

• 3x + 2 = 11

• 5x + 1 = 10

Tags

CCSS.6.EE.B.5

Solve the system of equations using substitution:

-4x + 4y = 8

y = -2x - 10

• (-4, -2)

• (12, -34)

• (4, -18)

• (-2, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the simultaneous equations by substitution

x+y=5

x-y=1

• x=2, y=3

• x=3, y=2

• x=3, y=-2

• x=-3, y=2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution:
y = x + 5
4x + y = 20

• (3,8)

• (8,3)

• (0,2)

• (2,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Using the simultaneous equations 7x+7y=-28 and -4 - 0.875x = 1y, find the solution, giving your answer as a coordinate pair

• (1, -4)

• (0, -4)

• (0, -3)

• (-4, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6