Factoring Test Review

Easy Factoring

100

x^2+7x+10

(x+5)(x+2)

200

x^2-5x+6

(x-2)(x-3)

300

x^2+4x-12

(x+6)(x-2)

400

x^2-9x+20

(x-4)(x-5)

500

x^2-6x-27

(x-9)(x+3)

Medium Factoring

100

x^2+11x+28

(x+7)(x+4)

200

x^2-2x-15

(x-5)(x+3)

300

2x^2+7x+3

(2x+1)(x+3)

400

3x^2-10x-8

(3x+2)(x-4)

500

4x^2+12x+9

(2x+3)^2

Zeroes or roots

100

x^2-4x+3

(x-1)(x-3)

x=1 and x=3

200

6x^2-x-2

(3x-2)(2x+1)

x=2/3 and x=-1/2

300

3x^2+14x-5

(3x-1)(x+5)

x=1/3 and x=-5

400

8x^2-10x-3

(4x+1)(2x-3)

x=-1/4 and x=3/2

500

7x^2-21x+10

(8x-5)(x-2)

x=5/8 and x=2

Axis of symmetry

100

What is the formula for the axis of symmetry for quadratics?

-b/(2a)

200

Find the axis of symmetry of this equation

y=x^2-4x+3

x = 2

300

Find the axis of symmetry of this equation

y=2x^2-12x+7

x = 3

400

Find the axis of symmetry of this equation

y=-3x^2-17x-5

x=17/6

500

Find the axis of symmetry of this equation

y=5x^2+x-9

x=-1/10

Vertex of a parabola

100

Find the vertex of 

y=x^2+8

(0,8)

200

Find the vertex of 

y=x^2-4x+3

(2,-1)

300

Find the vertex of 

y=2x^2-12x+7

(3,-11)

400

Find the vertex of 

y=-3x^2+18x-5

(3,22)

500

Find the vertex of 

y=5x^2+20x+6

(-2,-14)