Students will be able to factor a quadratic expression to reveal the zeros of the function it defines.

Objective

Factoring Day 3ASSE1 and 3

Vocabulary:

Quadratic Expression

A function that can be written in the form

A quadratic expression has the form of

The solutions to a quadratic equation. When graphed they are the x- intercepts of the function.

Zeros

Quadratic (function)

a2x + bx + c

y = a2x + bx + c

Example 1

Solve x2 − 7x + 12 = 0

Example 2

Solve x2 + 5x − 14 = 0

Example 4

Solve 7x2 + 14x = 0

Proportions:

5𝑥 − 1

= 𝑥 + 1

What transformation is needed to have (1,-1) as one of your solutions?

Find the perimeter of the shape.