Math Review

Substitution

100

x+4y=-22

-2x-2y=14

SOLVE

what is

 (-2,-5)

200

y=x-1

2x-3y=-1

SOLVE

what is

  (4,3)

300

4x+7y=-14

x+4y=-8

SOLVE

what is

(0,-2)

400

-6x+y=-17

-7x-y=-22

what is

(3,1)

500

SOLVE BY GRAPHING

y=10/9x+7

y=-2/9x-5

what is 

(-9,-3)

elimination

100

10x+10y=-10

-9x+2y=-24

what is

(2,-3)

200

x-2y=-1

-5x+8y=11

what is

(-7,-3)

300

-5x-y=2

4x+3y=5

what is

(-1,3)

400

4x-8y=-4

-12x+5y=-26

what is

(3,2)

500

SOLVE BY GRAPHING

y=-3/4x-9

y=3x+6

what is

(-4,-6)

Quadratic Functions

100

FIND THE AXIS OF SYMETRY AND THE VERTEX

y=-x²+10x-26

AOS: x=5

VERTEX: (5,-1)

200

FIND THE AXIS OF SYMETRY AND THE VERTEX

y=3x²-6x

AOS: x=1

VERTEX: (1,-3)

300

FIND THE AXIS OF SYMETRY AND THE VERTEX

y=2x²-4

AOS: x=0

VERTEX: (0,-4)

400

FIND THE AXIS OF SYMETRY AND THE VERTEX

y=x²-4x-3

AOS: x=2

VERTEX: (2,-7)

500

FIND THE AXIS OF SYMETRY AND THE VERTEX

y=-2x²-8x-4

AOS: x=-2

VERTEX: (-2,4)