Elimination Method - Procedures

What form should you use when you solving a system of equation using elimination method?

• Slope-intercept Form

• Standard Form

• Point-Slope Form

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable will be "eliminated" by adding the equations together?

-2x -3y = 11

2x - 3y = -14

• x

• y

• both variables

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Is there a zero pair in the following system of equations

6x + 5y = -4

2x - 5y = -28

• yes

• no

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable will be "eliminated" by adding the equations together?

6x - 2y = 20

6x + 2y = -6

• x

• y

• both variables

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable will be "eliminated" by adding the equations together?

3x - 7y = 8

-3x + 7y = 12

• x

• y

• both variables

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Is there a zero pair in the following system of equations

7x - 12y = -28

7x - 4y = 20

• yes

• no

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What does the top equation need to be multiplied by to create a zero pair

7x - 12y = -28

7x - 4y = 20

• 1

• -1

• 4

• -3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What does the bottom equation need to be multiplied by to create a zero pair

7x - 12y = -28

5x - 4y = 20

• 1

• -1

• 4

• -3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What do you get when you add the follow equations together

-4x + 5y = -25

4x - 7y = 19

• -2y = -6

• 2y = 6

• 12y = -6

• 12y = -6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions does the following system have?

9x - 9y = 9

-4x + 9y = 11

• None

• One

• Infinitely many

Tags

CCSS.8.EE.C.8B