6-4 Factoring Quadratic Expressions 2 3 4...
Transcript of 6-4 Factoring Quadratic Expressions 2 3 4...
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January 02, 2014
6-4
Factoring Quadratic Expressions
Objectives: I can factor quadratic expressions in standard form.
Warm-UpFactor the following:
1) 2x2 - 8x 2) 9a3b4 + 12ab5
3) 5(x+1) - x(x+1) 4) Factor by grouping
3x2 + 3x + 4x + 4
Expand Factor the quadratic expression
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January 02, 2014
How to Factor a Quadratic Example:x2 + 5x + 41. GCF = 12. 1•4 = 43. 1, 4 or 2, 2 1 + 4 = 5 x2 + 5x + 44. x2 + x + 4x + 45. x(x + 1) + 4(x+1)6. (x + 1)(x + 4)
1. Factor out the GCF2. Multiply a and c3. Find two factors of ac that add to b
4. Re-write equation with b split up into factors5. Find the GCF by grouping6. Factor the GCF of the whole
x2 - 6x - 7Factor the quadratic expression
Factor each quadratic expression
56 +10x −x² 35 −12x + x²x2 - 10x + 16
YOUR TURN!
Factor each quadratic expressionx2 + 6x + 8
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January 02, 2014
3n2 - 27n + 60
YOUR TURN!
Factor each quadratic expressionx2 - 10n + 9
Factor each quadratic expression
x2 - 4n - 12
x2 + 50n + 49 x2 + 6n - 16