Solving Systems of Equations Using Elimination by Multiplication

Solve by elimination:

4x - 6y = -6

-2x - 12y = -12

• (0,1)

• (1,0)

• (1,1)

• (0, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What method would you use to solve the following system of equations.

2x + 3y = 10

5x - 3y = 4

• Graphing

• Substitution

• Elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equation by elimination.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of linear equations by elimination.

-x + y = -13

-8x - 4y = -8

• (5, 8)

• (5, -8)

• (-5, -18)

• (-5, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination. 
 2x + 4y = 10
-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system:

8y+7x=-75

8y+9x=-5

• (-5, -5)

• (40, -35)

• (-5, 5)

• (35, -40)

• (-35, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using the elimination method.

• (1,-6)

• (-6,1)

• (-1,6)

• (10,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable will you eliminate in this system?

• x

• y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination

x+y=-4

x-y=2

• (1,2)

• (-1,-3)

• (4,5)

• (3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which method would be the most efficient?

• Graph (or set equal)

• Elimination

• Substitution
  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6