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Introduction to Factoring

Introduction to Factoring

Assessment

Presentation

•

Mathematics

•

7th - 10th Grade

•

Hard

Created by

Roberto Layague Jr.

Used 7+ times

FREE Resource

20 Slides • 13 Questions

1

Introduction to Factoring

Grade 8 Mathematics

2

What is inside?

​You should learn the following...

Common Factoring

Difference of Two Squares

Sum or Difference of Two Cubes​

Grade 8 Mathematics

3

Open Ended

What do you understand in Q1M1?

4

​Factoring Strategy
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5

Factoring

​Writing the expression in different form

Grade 8 Mathematics

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6

Common Factoring

Grade 8 Mathematics

7

Factoring

Grade 8 Mathematics

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8

Multiple Choice

Factor 5x+305x+30  

1

5(x+6)5\left(x+6\right)  

2

55  

3

x+6x+6  

4

x−6x-6  

9

​Let's discuss Factor 5x + 30

10

Multiple Choice

Which of the following is the common factor of x3−2x2x^3-2x^2  

1

xx  

2

x2x^2  

3

−x-x  

4

x3x^3  

11

​Let's discuss Factor x3 - 2x2

12

Multiple Select

What are the factors of 3a−ax3a-ax  

1

aa  

2

3−x3-x  

3

−a-a  

4

3+x3+x  

13

​Let's discuss Factor 3a - ax

14

Difference of Two Squares

Grade 8 Mathematics

15

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16

Multiple Choice

Identify if the expression below is difference of two squares

4b2−84b^2-8  

1

Yes!

2

No!

17

​Let's discuss
Identify if 4b2 - 8 is a difference of two squares

18

Multiple Choice

Factor 121a2−4121a^2-4  

1

(11a+2)(11a−2)\left(11a+2\right)\left(11a-2\right)  

2

(11a+2)(11a+2)\left(11a+2\right)\left(11a+2\right)  

3

(11a−2)(11a−2)\left(11a-2\right)\left(11a-2\right)  

4

(11a+2)2\left(11a+2\right)^2  

19

​Let's discuss
Factor 11a2 - 4

20

Multiple Choice

Factor Completely x4−1x^4-1  

1

(x2+1)(x2−1)\left(x^2+1\right)\left(x^2-1\right)  

2

(x+1)(x2−1)(x+1)\left(x+1\right)\left(x^2-1\right)\left(x+1\right)  

3

(x+1)(x−1)\left(x+1\right)\left(x-1\right)  

4

(x2+1)(x+1)(x−1)\left(x^2+1\right)\left(x+1\right)\left(x-1\right)  

21

​Let's discuss
Factor completely x4 - 1

22

Multiple Choice

Question image

Find the area of shaded part

1

t2+25t^2+25  

2

t2t^2  

3

2525  

4

t2−25t^2-25  

23

​Let's discuss
Find the area of the shaded part
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24

Sum or Difference of Two Cubes

Grade 8 Mathematics

25

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26

Multiple Choice

What is the binomial factor of 125c3−d3125c^3-d^3  ?

1

5c−d5c-d  

2

5c+d5c+d  

3

5c2−d25c^2-d^2  

4

5c2+d25c^2+d^2  

27

​Let's discuss
What is the binomial factor of 125c3 - d3

28

Multiple Choice

What is the trinomial factor of b6+27b^6+27  

1

b4+3b2+9b^4+3b^2+9  

2

b2+3b^2+3  

3

b4−3b2+9b^4-3b^2+9  

4

b2−3b^2-3  

29

​Let's discuss
What is the trinomial factor of b6 + 27?

30

Multiple Choice

Factor completely -2m5 + 250m2

1

−2m2(m−5)(m2+5m+25)-2m^2\left(m-5\right)\left(m^2+5m+25\right)  

2

(m−5)(m2+5m+125)\left(m-5\right)\left(m^2+5m+125\right)  

3

2m(m−5)(m2+5m+25)2m\left(m-5\right)\left(m^2+5m+25\right)  

4

(m+5)(m2−5m+25)\left(m+5\right)\left(m^2-5m+25\right)  

31

​Let's discuss
Factor completely -2m5 + 250m2

32

Open Ended

What topic is the easiest?

Common Factoring,

Difference of Two Square or

Sum or Difference of Two Cubes?

Why

33

Open Ended

What topic is topic challenging?

Common Factoring,

Difference of Two Square or

Sum or Difference of Two Cubes?

Why?

pattern-tertiary
Introduction to Factoring

Grade 8 Mathematics

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