✅ Factoring Trinomials when a>1

Presentation

•

Mathematics

•

9th Grade

•

Practice Problem

•

Easy

•

CCSS

HSA-REI.B.4B

Standards-aligned

Rodolpho Vicencio

Used 22+ times

FREE Resource

11 Slides • 2 Questions

✅ Factoring Trinomials when a>1

Quick Review

Remember To first see if you have a GCF

Example

$3x^2-11x+10$

Multiple Choice

Does

3x^2-11x+10

have a GCF

Yes

No It Doesn't

So what do we do?

Slip

3x^2-11x+10

x^2-11x+10\cdot3

x^2-11x+30

---Factor

$x^2-11x+30\$

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

Multiple Choice

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

-1 and -30

5 and 6

-5 and -6

-2 and -15

-5 and -6

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

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

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

Now we are Done

✅ Factoring Trinomials when a>1

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