Substitution

Solve the system of equations using substitution:
y = 4
-x + 3y =8

• (4, 4)
• (4, -4)
• (-4, 4)
• (-20, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:
3x - y = -8
x = -2

• (2, 2)
• (-2, -14)
• (-2, 2)
• (2, 14)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4

• (1, 7)
• (7, 1)
• (2, 9)
• (-1, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations:
y=2x
x + y = 9

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

Tags

CCSS.HSA.REI.C.7

What is the solution to the system?
2x + 3y = 21
  x - 3y  = -9

• (3, 5)
• (-3, -2)
• (10.5, 7)
• (-9, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = 5x 
3x - y = 10

• (-5, -25)
• (2, 10)
• (-2, -1)
• (5, 25)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.HSA.REI.C.9

Solve the system using SUBSTITUTION.
3x + y = 1
y = 4x + 1

• (0, -1)
• No Solution
• (0, 8)
• (0, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6