Warm up

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Warm up

• Solve.
• Solve.

m2 11m 30 0
x2 - 36 0
2
Math II
UNIT QUESTION What is a quadratic
function? Standard MM2A3, MM2A4 Todays
Question How do you factor when you have a
leading coefficient, a?1? Standard MM2A4.b.
3
2x2 5x 3
2x2 5x 3
( )( )
2x
x
1
3
For polynomials, how is factoring related to
multiplying?
4
5x2 11x 2
5x2 11x 2
( )( )
5x
x
1
2
For polynomials, how is factoring related to
multiplying?
5
3x2 10x 7
3x2 10x 7
( )( )
3x
x
7
1
For polynomials, how is factoring related to
multiplying?
6
2x2 7x 6
2x2 7x 6
( )( )
2x
x
3
2
For polynomials, how is factoring related to
multiplying?
7
6x2 11x 3
6x2 11x 3
( )( )
2x
3x
3
1
For polynomials, how is factoring related to
multiplying?
8
You Try...
3x2 10x 3
(3x 1)(x 3)
2x2 7x 5
(2x 5)(x 1)
For polynomials, how is factoring related to
multiplying?
9
You Try...
3x2 8x 4
(3x 2)(x 2)
2x2 11x 9
(2x 9)(x 1)
For polynomials, how is factoring related to
multiplying?
10
Sometimes you can factor out a GCF 1st!
11
14x2 32x 18
2(7x2 16x 9)
2( )( )
7x
x
1
9
For polynomials, how is factoring related to
multiplying?
12
You Try...
2y2 17y 35
(2y 7)(y 5)
6x2 21x 15
3(x 1)(2x 5)
For polynomials, how is factoring related to
multiplying?
13
You Try...
4x2 15x 9
(4x 3)(x 3)
3x2 17x 20
(3x 5)(x 4)
For polynomials, how is factoring related to
multiplying?
14
Homework

• Factoring Worksheet