Solving a system using elimination

• (1, 4)

• (4, 1)

• (1, -4)

• (-4, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (-5, -9)

• (9, 5)

• (5, 9)

• (-9, -5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Given the system of equations, what is the value of x + y?

• 2

• 8

• 6

• 0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

To eliminate a variable in the system, should you add the equations or subtract the equations?

• Add

• Subtract

• Neither

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable would be easiest to eliminate?

• x

• y

• Neither

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When you solve the system of equations, what is the solution for y?

• 8

• -1

• 1

• -8

Tags

CCSS.HSA.REI.C.9

When you solve the system of equations, what is the solution for x?

• 4

• -1

• -4

• 1

Tags

CCSS.HSA.REI.C.9

Solve the following using elimination.
4x+9y=28
-4x-y=-28

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following using elimination.
7x+y=-9
-3x-y=5

• No solution
• (1,8)
• (-2,-3)
• (-1,-2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)
–x + 9y = –5
x –5y = 1  

• (-4,-1)
• (4,1)
• (-4,1)
• (1,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6