Show:
Substitution
Elimination
Exponents
100

x+y=10

 x-y=2

(-4,6)

100

2x+3y=20 

-2x+y=4

(1,6)

100

what's 2^1x2^1

2^2= 4

200

3y-2x=11

 y+2x=9

(2,5)

200

3x-y=5 

x+y=3

(1,-2)

200

Solve...

1^7/ 1^5

1^2=1

300

2x+3y=5 

y+2x=7

(4,-1)

300

2x-5y=11

 3x+2y=7

(3,-1)

300

solve...

(2^4)^2

2^8=256

400

4+y=-3x 

2y+6x=-8

infinite solutions (same line), -8=-8

400

3x-4y=-5 

5x-2y=-6

(-1,1/2)

400

(1/8)^-3

8^3/1^3=512

500

y=5x+3 

y=-8x+16

(1,8)

500

BONUS- double the points

What's my favorite color to wear?

black

500

2^-2

1/2^2= 1/4