6.3/6.3 Elimination

Use elimination to find the value of x in the solution.

• x=1

• x=2

• x=3

• x=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

To eliminate the x-variable in the system of equations, multiply the second equation by which number?

• -3

• -2

• -1

• 0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination.

• (0,0)

• (-8,-8)

• (-8,0)

• (0,-8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination.

• (1,-4)

• (-4,1)

• (-1,4)

• (4,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system:

2x + 3y = -2

3x - 2y = 23

• (5, -4)

• (-4, 5)

• (-5, 4)

• infinite solutions

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination.

6x - y = 2

-3x - 6y = 12

• (2,0)

• no solution

• (0,-2)

• infinite solutions

Tags

CCSS.8.EE.C.8B

solve the system

• No solution

• infinite solutions

• (0,0)

• (5,1)

• (5,0)

Tags

CCSS.8.EE.C.8B

solve using elimination

• (3,-2)

• (2,4)

• (3,4)

• (2,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 $9x+4y\ =\ 21$ 

  $4x+3y\ =\ 13$  

• (-3, 1)

• Infinite number of solutions

• (3, 1)

• (1, 3)

Solve by elimination

 $10x-9y=-6$  
 $4x-5y=-8$ 

 

• (-3, 4)

• (3, 4)

• (4, 3)

• (-4, 3)