System of Equations Addition Method

4x+8y=20
-4x+2y=-30

• (-7,-1)

• (7,-5)

• (-2,5)

• (7,-1)

x-y=11
2x+y=19

• (10,-1)

• (-1,10)

• (3,-1)

• (10,7)

Is (1,7) a solution for

y=3x+4

y=x+6

• yes

• no

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Solve the system:

x + 6y = 17

-x + 3y = -8

• (5, 2)

• (11, 1)

• (1, 11)

• no solution

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

In the elimination method, what operation is used to eliminate one of the variables?

• Multiplication

• Addition or subtraction

• Division

• Exponentiation

A solution of the system 2x+y=7 and 5x-y=14 is (3, 1). How are the graphs of the two equations related?

• The graphs are parallel.

• The graphs coincide.

Put a check on the box that denotes the method of solving systems of linear equations in two variables.

Note: You can choose one or more answers.

• Graphing Method

• Addition Method

• Subtraction Method

• Elimination Method

• Substitution Method