Quadratics Unit Review

Standard Form

100

Find the y-intercept of:

y=2x^2-5x+7

(0,7)

200

Find the axis of symmetry of:

y=6x^2-12x-1

x=1

300

Find the vertex of:

y=x^2-4x+1

(2,-3)

Factored Form

100

Find the x-intercepts of:

y=2(x-1)(x+5)

(1,0) and (-5,0)

200

Find the axis of symmetry of:

y=2(x-9)(x+3)

x=3

300

Find the x intercepts of:

y=-3(x+5)(3x-1)

(-5,0) and (1/3,0)

Vertex Form

100

Find the vertex of:

y=2(x-5)^2-4

(5,-4)

200

Find the y=intercept of:

y=-2(x-3)^2+1

(0,-17)

300

Find the axis of symmetry of:

y=-4(x+7)^2+9

x=-7

Factoring Quadratics

100

Factor the following quadratic:

y=x^2+11x+30

y=(x+6)(x+5)

200

Factor the following quadratic:

y=2x^2-16x

y=2x(x-8)

300

Factor the following quadratic:

y=3x^2-2x-8

y=(3x+4)(x-2)

Rewriting in Different forms

100

y=(x+7)(x-4)

Rewrite into standard form:

y=x^2+3x-28

200

Rewrite into standard form:

y=-2(x+5)(x-3)

y=-2x^2-4x+30

300

Rewrite in vertex form:

y=2x^2+8x-5

y=2(x+2)^2-13