Systems of Equations with Elimination

Solve by elimination:

10x -14y = -4

-7x + 7y = 0

• (1, 1)

• (-1, 1)

• (1, -1)

• (-1, -1)

What can be done to one of the equations below in order to be able to eliminate a variable?

• Multiply the top equation by 4

• Multiply the top equation by 3

• Multiply the bottom equation by 4

• Multiply the bottom equation by 3

What can be done to one of the equations below in order to be able to eliminate a variable?

• Multiply the top equation by 6

• Multiply the top equation by 2

• Multiply the bottom equation by 6

• Multiply the bottom equation by 2

What can be done to one of the equations below in order to be able to eliminate a variable? Select all options that would work.

• Multiply the top equation by 4

• Multiply the top equation by 2

• Multiply the bottom equation by 4

• Multiply the bottom equation by 2

• (1, -12)

• (-5, -30)

• (-5, 10)

• (1, 18)

• A

• B

• C

• D

• A

• B

• C

• D

The solution is...

Solve the following system of equations using the elimination method.

• infinite solutions

• (0, -2)

• no solutions

• (0, 2)

Solve the following system of equations using the elimination method:

• (-2, 1)

• no solutions

• (-2, 0)

• (-1, -3)