Math Review

Radicals

100

6 square root of 7 + 5 square root of 7 - 3 square root of 7

8 square root of 7

200

square root of 5 multiplied by the square root of 35

5 square root of 7

300

2 square root of 8 multiplied 3 square root of 7

12 square root of 14

400

2 square root of 5 multiplied by 4 square root of 20

80

500

5 square root of 10 multiplied by 3 square root of 2

30 square root of 5

Polynomials

100

(x²-3x+7)-(6x²+4x+12)

x²-3x+7-6x²-4x-12

200

(3x²-5x)-(-4+x²+x)

2x²-6x+4

300

(2x²-4x+3)+(x²+5x-1)

4x²-9x+2

400

(x+3)(x-3)

x²-9

500

(7x+10)(4x+8)

28x²+96x+80

Inequalities

100

y<x+2

y intercept: 2

m: 1

200

-3x<y

y intercept: 0

m: -3

300

2x-y-4>0

y intercept: -4

m: 2

400

5k+4>4k+10

k>6

500

-5+5v>-4+4v

v>1

Functions and Systems

100

2x+y=-5

2x-5y=13

(1,3)

200

y=5x=4

y=x

(-1,-1)

300

y=-2x+10

y=x+1

(3,4)

400

2y+4x=4

y+x=1

(1,0)

500

y=3x

y=x-2

(-1,-3)

Quadratic Functions

100

Find the vertex for 2x²-4x-6

(1,-8)

200

Find the vertex for -x²-2x+1

(-1,2)

300

What is the axis of symmetry for 2(x+5)²+k

x=-5

400

solve: 

x² + 6x + 8 =0 

x₁= -4

x₂ = -2 

500

y=-1/2(x+2)²+4

Find the vertex

(-2,4)