# Lesson 9Lining Up QuadraticsSolidify Understanding

Multiply the following binomials using the open area models to assist you.

Example:

### 10.

The “like-term” boxes in the last three problems reveal a special pattern. Describe the relationship between the middle coefficient () and the coefficients () and ().

## Set

Given the factored form of a quadratic function: Create the graph, and identify the vertex, intercepts, and vertical stretch of the parabola.

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

## Go

Given the vertex form of a quadratic function: Create the graph, and identify the vertex, intercepts, and vertical stretch of the parabola.

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

Vertex:

-intercept(s):

-intercept:

Stretch:

### 20.

Show the work that proves each of the following.