FACTORING QUADRATIC EQUATIONS | A STEP BY STEP SOLUTION GUIDE | Tagalog
25This is a Module based lesson for MATH 9 with the topic FACTORING QUADRATIC EQUATIONS in different cases (Easy, Difficult and Challenge) guided with A STEP BY STEP SOLUTION for QUARTER 1 WEEK 1 : PART 2
COMMENT down if you would like a COPY of the POWERPOINT I used in the video, I would be glad to SHARE. ☺️
Learning goals and targets:
Enumerate the different methods of factorization.
Get to know important identities used in factoring.
Solve quadratic equations by factoring.
Video Flow:
0:00 Sneak Peek Preview
1:36 Introduction
2:58 Learning Goals and Targets
3:17 Concept of factors
3:55 What is factoring?
4:09 Expanding and Factoring
6:17 Important Identities
7:36 Factoring Advice/Reminder
9:24 Review of Factorization Methods
13:50 Example #1
16:27 Example #2
18:40 Example #3
21:16 Factoring Trinomials a2+bx+c steps
22:13 Example #4
27:06 Closing message and references
You may also watch connected videos:
Standard form and extracting square roots: https://youtu.be/cjtxSjbpzTc
Factoring: https://youtu.be/DCrFn0pWGtU
Completing the Square: https://youtu.be/jcFHYBbmLLo
Grade 8 review for preparation of lesson:
Factoring Polynomials with Common Monomials:
https://youtu.be/kcc-hOlp6cM
Factoring Polynomials with Difference of Two Squares
https://youtu.be/XvdX-iYaEzU
Factoring Polynomials with Perfect Square Trinomial
https://youtu.be/aI_9wzkm_f4
Factoring General Trinomials
https://youtu.be/fl0Z6x7hN2E
Video Script highlights:
Numbers have factors. And expressions (like x2+4x+3) also have factors. Factors are what we can multiply to get the number. So what is Factoring? Finding what to multiply together to get an expression. It is like "splitting" an expression into a multiplication of simpler expressions.
Important advice from Teacher Grace:
You might want to check out videos from grade 8 before proceeding to learn on this video since it will require reviews for that previous learning from grade 8 which are factoring general trinomials, common factorization (GCF) and difference of two squares.
Most factoring skills are introduced using expressions in standard form. Because of this, it may be easier for you to recognize factoring patterns when a quadratic expression is in this form.
"Factor out" any common terms
See if it fits any of the identities, plus any more you may know
Keep going till you can't factor any more
References:
https://www.mathsisfun.com/algebra/factoring.html
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:factor-quadratics-strategy/a/factoring-quadratics-in-any-form
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