Algebra Unit 8 Quadratic Functions

Name: ______________________________

Algebra Unit 8

Quadratic Functions

Quadratic Function

Characteristics of the Graph:

Maximum Minimum Vertex

How many solutions can there be? They mean what?

Parent Function

Equation:

What does "a" do?

What does "C" do?

1

Axis of Symmetry

example: = -2 + 3

Steps:

1 2 3

example: = 22 + 6

2

1 Find the equation of the ______________.

2 Find the ______________ of the vertex.

3 Choose a value for x on the same side of the ________ as the ____________to find another point

4 __________ these two points across the axis of symmetry

5 __________ the parabola.

f(x) = x2 - 3x - 2

3

Solving using Square Roots

x2 + 5 = 0

4x2 ? 4 = 0

2x2 - 3 = 0

4

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