Elimination Method Using Multiplication

Solve the system:

x + 6y = 17

-x + 3y = -8

• (5, 2)

• (11, 1)

• (1, 11)

• no solution

Tags

CCSS.8.EE.C.8B

Solve the system with elimination: 
5x - 2y = 4
3x + y = 9

• (2, 3) 

• (2,1)

• (-5, 0)

• (-1, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system:

7x + 6y = -2

7x + 7y = 0

• (-2, 2)

• (2, -2)

• (6, 9)

• (-6, -9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-3x+12y=30

-9x+6y=30

• (-6,-4)

• (-6,8)

• (-8,-4)

• (6,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-9x+4y=6

-3x+2y=6

• (2,6)

• (3,4)

• (5,8)

• (9,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2x+3y=20

-x+.5y=2

• (2,6)

• (3,6)

• (2,5)

• (3,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which method should you use to solve the system AND what is the solution?

• elimination using addition

  (-1, 3)

• elimination using multiplication

  (1, 1)

• elimination using multiplication

  (3, -1)

• elimination using subtraction

  (-3, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.

−6x + 6y = 0

9x − 8y = 4

• (4, −9)

• Infinite number of solutions

• (−9, 4)

• (4, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by multiplication.
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6