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Graphing
Substitution
Elimination
Math Facts :)
100

Y=-1/3X + 2 

Y=X-2


(3,1)

100
Y=X-4

-2X+Y=18

(-22,-26)

100

x+y=4

-3x-y=-8

(2,2)

100

Write a system of linear equations that can be added to eliminate a variable or subtracted to eliminate a variable.

Example 3X+4Y=12

3X-4y=6 

200

Y=1/2X-1

Y=4X+6

(-2,-2)

200

2Y=X=-4

Y-X=-5

(2,-3)

200

x+3y=1

5x+6y=14

(4,-1)

200

What number comes next? 

2 --> 6      6 --> 3

3 --> 9      9 --> 6

6 --> 18    18 --> ___

15

300

Y=1 

Y=2X+1

(0,1)

300

3x-5y=13

x+4y=10

(6,1)

300

2x-3y=-5

5x+2y=16

(2,3)

300

Did Mrs. Edgren teach Mrs. Woody? 

True or False? 

TRUE :)