Solving Systems of Equations by Elimination

​Solving Systems of Equations
by Elimination

Multiple Choice

2x + y = 7

3x - y = 3

• (5, 10)

• (-4, -2)

• (2, 3)

• (-2, -3)

Multiple Choice

Which row would you multiply by - 1 in order to eliminate one of the variables?

4x+4y=4

3x+4y=10

• none of the rows

• either row

• top row

• bottom row

Multiple Choice

Choose the option that will eliminate one of the variables.

2x+9y= -7

6x-3y= 9

• multiply the bottom row 2

• multiply the bottom row by - 2

• multiply the top row by 3

• multiply the top row by - 3