Systems Equations Elimination

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Solve by elimination:
-9x-4y=-20

5x+4y=4

• (-4,4)

• (4,4)

• (4,-4)

• (-4,-4)

Solve by elimination:
7x+y=-9

-3x-y=5

• No solution

• (1,8)

• (-2,-3)

• (-1,-2)

Which method would be best (quickest) for solving the system below:
x + y = 11
3x - 4y = -2

• Substitution

• Elimination

• Graphing

• None of these

• A

• B

• C

• D

• (1, -12)

• (-5, -30)

• (-5, 10)

• (1, 18)

Solve the following system using elimination

-5x + 3y = -1

5x - 3y = -4

• (1,3)

• (2,1)

• (4,5)

• Infinite Solutions

• No Solutions

Solve by elimination:

7x - 9y = 29

7x + 2y = - 15

• (-4,-1)

• (-1.-4)

• (-1,4)

• (-1,6)

What is the solution to this system of equations?

• (2,-2)

• (1,2)

• ( 1/2 , 4 )

• (-2,2)

• (2, 4)

Q1. What are the coordinates?

• A) (2,-8)

• B) (-8,2)

• C) (0,6)

• D) (6,0)