Factoring a = 1 Special Cases

FACTORING REVIEW:

a = 1 Special Cases

Bring it on...

Multiple Select

What factors multiply to 0 and add to 6?

• 3

• -3

• 0

• 6

• 2

Multiple Select

What factors multiply to 0 and add to -9?

• 3

• -3

• 0

• 9

• -9

GCF

• Method #1 - treat it like a trinomial!

• c = 0

• Set up factors ( )( )

• "What multiplies to give you C & adds to give you B?"

GCF

• Method #2 - leave as a binomial and take out the Greatest Common Factor

• "What do both terms have in common?"

• Divide by GCF

• Answer: GCF (remaining information)

Multiple Select

What factors multiply to -4 and add to 0?

• 2

• -2

• 0

• 4

• -4

Multiple Select

What factors multiply to -49 and add to 0?

• 7

• -6

• 0

• -49

• -7

Difference of Squares

• b = 0

• Can be written as a trinomial with 0x

• "What multiplies to give you C & adds to give you B?"

Difference of Squares

2nd Example

Multiple Select

What factors multiply to 64 and add to 16?

• 8

• -8

• 14

• 8

• 4

Multiple Select

What factors multiply to 81 and add to -18?

• 9

• -9

• 81

• -1

• -9

Perfect Square Trinomial

• "What multiplies to give you C & adds to give you B?"

• Matching factors!

Perfect Square Trinomial

2nd Example

Try some special cases on your own! Listen to the dog --->