What do these have in common??
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Transcript of What do these have in common??
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What do these have in common??
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What do these have in common??
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What is the greatest common factor??
2436
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What is the greatest common factor??
5a 35
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What is the greatest common factor??
3y -8xy
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What is the greatest common factor??
22x2
-11x
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What is the greatest common factor??
-4x6-x4-2x2
-x2
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Factoring means to write as a product
Always look for a Greatest Common Factor 1st.
Factor 4x + 6y What is their greatest
common factor?
= 2( )2x
+ 3y
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3y – 8xyFactor
What is their GCF?
= y( )3– 8x
2a3 – 6ab2
= 2a( )a2 – 3b2
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2h2k + 2kFactor
What is their GCF?
= 2k( )h2+ 1
6uv + 9v2
= 3v( )2u
+ 3v
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Let’s practice!!!Little Worksheet
(write PRIME if it cannot factor)
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10.5 Factoring ax2 + bx + c when a = 1
What two numbers multiply to give you 8, but add to give you 6?
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To FACTOR a trinomial means to write it as the product of two binomials.
Factor x2 + 6x + 8
What two numbers multiply to give you the last number…and add to give you the middle number?
(x + 2) (x + 4)
Write two sets of parenthesis and fill
in the numbers.
(x ) (x )
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Factor x2 - 3x + 2
What two numbers multiply to give you the last number…
and add to give you the middle number?
(x - 2) (x - 1)
Ex: 1
(x ) (x )
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Factor x2 - 2x - 8
(x - 4) (x + 2)
Ex: 2
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Factor x2 - 5x - 14
(x - 7) (x + 2)
Ex: 3
(x ) (x )
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Factor x2 - 16x + 64
(x - 8) (x - 8)
Ex: 4
(x ) (x )
Same thing as (x - 8)2
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Factor x2 - x - 42
(x - 7) (x + 6)
Ex: 5
(x ) (x )
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Solve the equation by factoring
x2 - 8x + 12 = 0
(x )(x ) = 0
x - 6 = 0 or x – 2 = 0
x = 6 or x = 2
Ex: 6
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Solve the equation by factoringx2 - 7 = - 6x
(x )(x ) = 0
x - 1 = 0 or x + 7 = 0
x = 1 or x = -7
Ex: 7
x2 + 6x - 7 = 0
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Let’s practice!!
p. 599 2-8
Let’s practice!!
p. 599 2-8
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Classwork
p. 599 12-32
Turn this in when you are finished
Classwork
p. 599 12-32
Turn this in when you are finished