Coach John /8th period/Jennifer Chavez

Linear Equations

100

-2x + 6 = 4x - 2

  4 / 3

200

-(-x - 5) + 5(x - 9) = 2(x + 8) -(2x + 5)

  17 / 2

300

-(3x - 1) / 3 - 2(x - 8) / 5 = (x + 8) / 5 - 3

37 / 12

400

2 / 7 - (x + 8) / 4 = 3(x - 3) / 5 - 3 / 2

222 / 119

500

-(-x - 5) = x - 2

no solution

Systems of Equations

100

2x+3=x=15

x=12

200

y=6x-11

-2x-3y=-7

2,1

300

-5x+y=-3

3x-8y=24

0,-3

400

6x+6y=-6

5x+y=-13

-3,2

500

2x+y=20

6x-5y=12

7,6

Inequalities

100

2x+5<7

x<1

200

4(x-1)<3(x+1)

x<7

300

-12x<144

x>-12

400

(x-1)=2x+²

-1

500

(3x+1)<=2x+3

-4/5 or 2

Quadratic Equations

100

(x+1)x-3)=0

x=1,3

200

x²-3x-4=0

x=-1,4

300

x²+12x+4

-6,-32

400

x²+6+20

(x+3)²+11

500

y=x²+10x+20

y=(x+5)²-5

Exponential Function

100

what type of function is f(x)=2(1/7)^x

Exponential Decay

200

2^x=32 what is the x?

x=5

300

5^x=1/125 what is x?

x-3

400

(1/3)³=1/125

x-5/2

500

function y=3^x,what is the value of y when x=4?

81