# Get out your notebooks! You will be able to solve quadratic equations by graphing. You will be able to estimate solutions of quadratic equations by graphing.

## Presentation on theme: "Get out your notebooks! You will be able to solve quadratic equations by graphing. You will be able to estimate solutions of quadratic equations by graphing."— Presentation transcript:

Get out your notebooks! You will be able to solve quadratic equations by graphing. You will be able to estimate solutions of quadratic equations by graphing. Today’s Objectives:

Solutions The solutions of a quadratic are called roots of the equation. The roots are the x-intercepts of its graph. Sometimes referred to as zeros because at those points the y is a zero.

Example—2 Solutions

Example

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Example—1 Solution

Example

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Example—None

Estimating Roots Often exact roots (whole numbers) cannot be found by graphing. Estimate the root(s) by stating which two numbers the zero is between.

Estimating

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HOMEWORK Lesson 4.2 Pg. 234 #’s 22-26

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