Get out your notebooks! You will be able to solve quadratic equations by graphing. You will be able...
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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:
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Transcript of Get out your notebooks! You will be able to solve quadratic equations by graphing. You will be able...
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:
4.2 Solving Quadratics with Graphing
A general quadratic function is…
The standard form of a quadratic equation is…
SolutionsThe 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.
Estimating RootsOften exact roots (whole numbers) cannot be found by graphing.
Estimate the root(s) by stating which two numbers the zero is between.