Systems Of Equations

Graphing

100

y=-5/3x+3

y=1/3x-3

What is 3,-2

200

y=4x+3

y=-x-2

What is -1,-1

300

y=-1/2x-1

y=1/4x-4

What is 4,-3

400

y=-1

y=-5/2x+4

What is 2,-1

500

y=1/3x-3

y=-x+1

What is 3,-2

Elimination

100

−4x − 2y = −12

4x + 8y = −24

What is (6,-6)

200

−6x + 5y = 1

6x + 4y = −10

What is (-1,-1)

300

4x + 8y = 20

−4x + 2y = −30

What is (7,-1)

400

-5x+y=-2

-5x+6y=-12

What is y=-6 x=1.25

500

2x + 8y = 6

−5x − 20y = −15

What is an infinite number of solutions

Substitution

100

y = 6x − 11

−2x − 3y = −7

What is (2,1)

200

−3x − 3y = 3

y = −5x − 17

What is (-4, 3)

300

−4x + y = 6

−5x − y = 21

What is (-3,-6)

400

−7x − 2y = −13

x − 2y = 11

What is (3,-4)

500

2x + y = 20

6x − 5y = 12

What is (7,6)

Best Strategy

100

y=-2x+2

y=-2x-2

What is Graphing

200

8x+y=-16

-3x+y=-5

What is Elimination

300

x=4x+5

y=7x+6(7x+6)

What is Subsitution

400

y=-1/2x-2

y=-3/2x+2

What is Graphing

500

7x+2y=24

8x+2y=30

What is Elimination

K-8

100

7+6

What is 13

200

8x6

What is 46

300

8.1 + 8.2 + 8.3 + 6 / 5 x 3

What is 18.36

400

10+10+10+10+10+10+10+10+1+1+1+1+1+1

What is 86

500

32 / 2 x 6 + 8 (9 - 6 x 100)

What is 2,496