Unit 5

Carl

100

Solve by graphing:

-9y+3x=36
y=1/3x-4

Infinite Solutions

200

Solve by substitution:
2x+y=-18
4x-2y=-36

(-9,0)

300

Solve using any method:
3x+3y=3
8x+10y=28

(-9,10)

400

Solve by elimination:
10x+3y=-22
7x-2y=1

(-1,-4)

500

Solve by substitution:
-8x+2y=-2
-6x+8y=-8

(0,-1)

Dug

100

Solve by elimination:
-16x-5y=-2
-8x-7y=26

(2,-6)

200

Solve by substitution:
-5x-5y=0
3x+y=-10

(-5,5)

300

Solve by substitution:
-3x+6y=18
-6x+8y=16

(4,5)

400

Solve by graphing:

-3-7x+y=0
x-y=3

(-1,-4)

500

Solve by elimination:
-6x-2y=-8
-4x-3y=3

(3,-5)

Ellie

100

Solve by substitution:
x-2y=9
-7x-4y=9

(1,-4)

200

Solve by elimination:
x-2y=5
-6x-y=9

(-1,-3)

300

Solve by substitution:
-3x-8y=5
7x+2y=5

(1,-1)

400

Solve using any method:
-2x+6y=-14
3x-8y=20

(4,-1)

500

Solve by graphing:
15x-3y=3
x-y=-3

(1,4)

Kevin

100

Solve by elimination:
3x+12y=-18
-2x+6y=-2

(-2,-1)

200

Solve by graphing:

14x+8+2y=0
7x=-y+4

No Solution

300

Solve by elimination:
-45x+15y=4
-72x+24y=0

No solution

400

Solve by substitution:
-5x+3y=9
5x-6y=12

(-6,-7)

500

Solve by elimination:
-6x-2y=-8
-4x-3y=3

(3,-5)

Russell

100

Solve by substitution:
6x+y=0
-6x-2y=6

(1,-6)

200

Solve by elimination:
x+y=-14
2x-4y=20

(-6,-8)

300

Solve by graphing:
2-2y=6x
-4-y=-2x

(1,-2)

400

Solve by elimination:
-9x+10y=20
-2x+7y=-29

(-10,-7)

500

Solve by elimination:
7x+9y=16
-9x+5y=-4

(1,1)