Solving Systems Using Substitution or Elimination

Solve the system of equations: -x - 5y = -24 and -4x + 5y = -21

• (9,-3)

• (-3,9)

• (3,9)

• (9,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations: y = 4x - 1 and -4x - y = 9

• (-1,-5)

• (-5,-1)

• (1,5)

• (5,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations: -8x - 3y = 3 and 8x - 3y = 3

• (0,-1)

• (1,0)

• (0,1)

• (-1,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations: x - 6y = 8 and x - 3y = 5

• (3,2)

• (3,-1)

• (1,2)

• (2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using substitution or elimination. −4x − 2y = −12 4x + 8y = −24

• (5,-5)

• (6,-6)

• No solution

• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve:
x + y = 4
-5x - 6y = -18

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations
  4x+8y=20
-4x+2y=-30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
x + y = 4
-5x - 6y = -18

• (6, -2)

• (-6, 10)

• (2, 2)

• (-2, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations: 5x + 2y = 9 and 3x - 4y = -6.

• x = 3/2 and y = 57/26

• x = -1 and y = 4

• x = 2 and y = 3

• x = 3/2 and y = 57/26

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3x + y = 4
x + 2y = -2

• (2,2)

• (-2,-2)

• (2,-2)

• (-2,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6