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Use the graphing calculator to solve $x^{2}=-5$. Then solve the equation algebraically and compare answers.

Algebra

Chapter 8

Quadratic Functions

Section 1

Introduction to Radical Notation

Equations and Inequalities

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University of Michigan - Ann Arbor

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Lectures

01:28

Solve using a graphing cal…

01:56

00:39

Solve the equation algebra…

00:38

Use a graphing calculator …

00:58

Use graphs to find approxi…

02:14

Solve each equation by gra…

01:33

01:30

03:31

01:48

Solve each equation. For e…

00:54

01:04

01:42

Find all solutions of the …

01:44

Use a graphing utility to …

02:07

Solve the equation graphic…

Use a graph to estimate th…

00:26

01:06

Solve algebraically and co…

00:45

00:20

this problem asked us to solve, uh, the equation expert equals five X using a graphing calculator. So on the computer, we're going to use a program called Dez Most. Desmond's dot com will let you do most of the stuff you need to do with a graphing calculator. So in order to solve this, what we really have is two different graphs, and so we're going to graft the left hand side of our equation. We're going to graft the right hand side of the equation, and we're going to see where the two intersect. So up here on the left under number one, we're going to take Y equals X. If we go down here in yours or keyboard, we can put the squared in. So that's the left hand side of our equation. Then click it to, and we're going to do the same thing with the right side, except it's going to be why people's five packs. So number one, the green is the left side of our equation, and the purple is the right side of our equation. Now we're just looking for where these cross they intercept at X equals zero and X equals five. So those are the solutions to this. X equals zero and X equals five

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