which method is the best to solve a quadratic equation? factoring? graphing? quadratic formula?
DESCRIPTION
Let’s Review What methods have you learned? Graphing Inspection Taking a Square Root Factoring Completing the Square Quadratic FormulaTRANSCRIPT
![Page 1: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/1.jpg)
Which method is the best to solve a quadratic equation?
Factoring? Graphing? Quadratic Formula?
![Page 2: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/2.jpg)
In this lesson you will learn how to determine the best
method to solve a quadratic equation by comparing
different strategies.
![Page 3: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/3.jpg)
Let’s Review
What methods have you learned?
GraphingInspection
Taking a Square RootFactoring
Completing the SquareQuadratic Formula
![Page 4: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/4.jpg)
A Common Mistake
Thinking the approach you take will impact your solutions
![Page 5: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/5.jpg)
Core Lesson
There are pros and cons to any approach
GraphingInspection
Taking a Square RootFactoring
Completing the SquareQuadratic Formula
Not everything factors “nicely”
Only applies when there is no x term
Irrational solutions hard to determine
![Page 6: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/6.jpg)
Core Lesson Which method would you use to solve this quadratic
equation?
GraphingInspection
Taking a Square RootFactoring
Completing the SquareQuadratic Formula
x2+3x =10x2+3x-10 =0(x-2)(x+5) =0x=-5 x=2
![Page 7: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/7.jpg)
Core Lesson Which method would you use to solve this quadratic
equation?
GraphingInspection
Taking a Square RootFactoring
Completing the SquareQuadratic Formula
3x2-6x -7=03(x2-2x) =73(x2-2x+1) =7+33(x-1)2 =10(x-1)2 = 10/3
x =1+ 10/3 x= 1- 1/3
![Page 8: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/8.jpg)
Core Lesson Which method would you use to solve this quadratic
equation?
GraphingInspection
Taking a Square RootFactoring
Completing the SquareQuadratic Formula
x2 = 8
x = 8 x=- 8
![Page 9: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/9.jpg)
Core Lesson Which method would you use to solve this quadratic
equation?
GraphingInspection
Taking a Square RootFactoring
Completing the SquareQuadratic Formula
2(x+2)2+12 =562(x+2)2=44
(x+2)2= 22(x+2)= 22
x= -2+ 22 x= -2- 22
![Page 10: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/10.jpg)
In this lesson you have learned to determine the best method to solve a quadratic equation
by comparing strategies.
![Page 11: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/11.jpg)
Guided Practice
Which method would you use to solve this quadratic equation and why?
![Page 12: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/12.jpg)
Quick Quiz
Would factoring be a good method to solve this quadratic equation? Why or why not?
When is graphing a good method to use to solve a quadratic?
6x2+3x=0
![Page 13: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/13.jpg)
Quick QuizExtension Activities
Make your own pros and cons chart for each of the
methods.
![Page 14: Which method is the best to solve a quadratic equation? Factoring? Graphing? Quadratic Formula?](https://reader038.vdocument.in/reader038/viewer/2022101123/5a4d1c167f8b9ab0599f9270/html5/thumbnails/14.jpg)
Quick QuizExtension Activities
Can you make a flow chart to help you to decide when to
use which method?