Graphing Quadratics

Zeros

100

Find the Zeros: (Put answer as a point)

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

(1,0)(-1,0)

200

Find the Zeros: (Put answer as a point)

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

(-5,0)(-2,0)

300

Find the Zeros: (Put answer as a point)

y=(2x-4)(3x+9)

(-3,0)(2,0)

400

Find the Zeros: (Put answer as a point)

y=(3x+5)(9x-3)

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

500

Find the Zeros: (Put answer as a point)

y=x²+12x+32

(-8,0)(-4,0)

Y-Intercepts

100

Find your y-intercept: (put your answer as a point)

y=x²+x+4

(0,4)

200

Find your y-intercept: (put your answer as a point)

y=x²+3x-9

(0,-9)

300

Find your y-intercept: (put your answer as a point)

y=3x²-4x+1

(0,1)

400

Find your y-intercept: (put your answer as a point)

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

(0,-6)

500

Find your y-intercept: (put your answer as a point)

y=(4x+1)(-36x+9)

(0,9)

Axis of Symmetry

100

Find the Axis of Symmetry: (answer as x=)

y=x²+2x+4; a=1; b=2

x=-1

200

Find the Axis of Symmetry: (answer as x=)

y=2x²-8x+12

x=2

300

Find the Axis of Symmetry: (answer as x=)

y=-4x²+6x+4

x=3/4

400

Find the Axis of Symmetry: (answer as x=)

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

x=-1

500

Find the Axis of Symmetry: (answer as x=)

y=(4x+1)(-36x+9)

x=0

Vertex

100

Please find the Vertex (point) given:

f(x)=-2(x-3)²+8

(3,8)

200

Please find the Vertex (point) given:

f(x)=x²+4x+5

(-2,1)

300

Please find the Vertex (point) given:

f(x)=x²-6x+4

(3,-5)

400

Please find the Vertex (point) given:

f(x)=3x²+12x+9

(-2,-3)

500

Please find the Vertex (point) given:

f(x)=(x+4)(2x-4)

(-1,-18)

Random

100

What type of concavity does this graph have?

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

Concave down

200

What type of form is this function in?

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

Factored Form or Intercept Form

300

Factor the following quadratic function:

y=x²-9x+20

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

400

Please turn this Factored form into Standard Form:

y=(3x+2)(2x-6)

y=6x²-14x-12

500

Please turn this Factored form into Standard Form:

y=(7x-6)(3x+11)

y=21x²+59x-66