Solving Systems Better Method

Solve by setting up a system of equations.

• Plain: $10, Shiny: $19

• Plain: $5, Shiny: $13

• Plain: $9, Shiny: $14

• Plain: $4, Shiny: $7

Solve by setting up a system of equations.

• Adult: $15, Student $19

• Adult: $12, Student $10

• Adult: $14, Student $14

• Adult: $10, Student $12

What is the solution to:

y = x + 2

y = -x

• (-1,1)

• (2, -1)

• (1, -1)

• (0, 2)

What is the solution to

y = x - 2

y = -x + 2

• (0, 2)

• (-2, 2)

• (1, -1)

• (2, 0)

What is the y-value of the solution to the system 5x - 3y = 1 x = -4y - 9

• -1

• -2

• -3

• -4

What is the solution of the system?

-x + y = 1

x + y = 1

• (0, 1)

• (1, 0)

• (-1, 0)

• (1 ,1)

What is the solution to

y = x - 4

2x - 3y = -2

• No solution

• (-4, -2)

• (10, 14)

• (14, 10)

Solve by elimination:

7x+y=-9

-3x-y=5

• No solution

• (1,8)

• (-1,-3)

• (-1,-2)

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

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Solve by elimination

-6x + 5y = 1

6x + 4y = -10

• (-1,7/5)

• (0,-1)

• (1,1)

• (-1,-1)