Solve Systems of Equations by Elimination

2 or more linear equations with the same set of variables is known as

• System

• System of Equations

• Linear Equations

• Quadratic Equations

Tags

CCSS.HSA.REI.C.8

A method to solving a system of equations by getting rid of one of the variables first to solve for the other variable is

• By Graphing

• By Substitution

• By Elimination

• By Drawing

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

7x + 4y = -6

-7x - 6y = 30

Give the answer to the above system of equation in the form (x,y)

• (6, -12)

• (6, 12)

• (-12, 8)

• (12, -8)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

-8x - 7y = 10

-8x + 5y = 34

Give the answer to the above system of equation in the form (x,y)

• No Solution

• (-3, -10)

• (3, 2)

• (-3, 2)

Tags

CCSS.8.EE.C.8B

-2x + y = 1

-4x + y =- 1

Give the answer to the above system of equation in the form (x,y)

• (1,3)

• no solution

• (-1,3)

• (3,1)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

-3x+3y = 18

5x-3y = -26

Give the answer to the above system of equation in the form (x,y)

• (4,2)

• (-4,-2)

• (-4,2)

• (4,-2)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Which is the answer this system of equation

y = 8x + 1

y = 6x + 3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of equations:

7x+2y=24

8x+2y=30

• (6,-9)

• (-9,6)

• (-6,9)

• (0,0)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of equations:

3x + y = –14

–2x – y = 9

• (-5,1)

• (5,-1)

• (1,4)

• (-1,4)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of equations:

3x + y = –21

x + y = –5

• (-3,8)

• (8,-3)

• (3,-8)

• (-8,3)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B