Factoring Trinomials when a>1 Lesson Slides: 11 Slides

11 Slides • 2 Questions

1

✅ Factoring Trinomials when a>1

Quick Review

2

Remember To first see if you have a GCF

3

Example

$3x^2-11x+10$

4

Multiple Choice

Does

3x^2-11x+10

have a GCF

1

Yes

2

No

5

No It Doesn't

So what do we do?

6

Slip

3x^2-11x+10

x^2-11x+10\cdot3

x^2-11x+30

---Factor

7

$x^2-11x+30\$

What two numbers multipled will give me postive 30 and sum give me -11?

8

Multiple Choice

What two numbers multiplied will give me positive 30 and sum give me -11?

1

-1 and -30

2

5 and 6

3

-5 and -6

4

-2 and -15

9

-5 and -6

$\left(x-5\right)\left(x-6\right)$ ?

10

11

$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \left(x-\frac{5}{3}\right)\left(x-\frac{6}{3}\right)$

12

13

$\left(3x-5\right)\left(3x-6\right)$

Now we are Done

✅ Factoring Trinomials when a>1

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