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Solving Quadratic Equations
factoring
6
Mathematics
10th Grade
05/15/2018

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Cards

Term

Find the X intercepts

x2-6x+5

Definition

x2-6x+5 =(x-1)(x-5)

x = 1

x = 5

Term

Solve the equation by factoring

x2-9x+14=0

Definition

x2-9x+14=0

(x-2)(x-7)=0

x-2=0 or x-7=0

x=2 or x=7

Term

Find the X intercepts

x2+x-12

Definition

To factor the expression find two numbers m and n, where

m+n=1, mn=-12

x2+x-12=(x-3)(x+4)

x = 3 x = -4

Term

Find the X intercepts

x2+21x+98

Definition

To factor the expression find two numbers m and n, where

m+n=21, mn=98

x2+21x+98=(x+7)(x+14)

x = -7 x = 14

Term

Find the X intercepts

x2-2x-35

Definition

To factor the expression find two numbers m and n, where

m+n=-2, mn=-35

x2 -2x-35=(x-7)(x+5)

x = 7 x = -5

Term

Factor the expression

 

3x2+10x-8

Definition

To factor the expression find two numbers m and n, where

m+n=10, mn=3·(-8)=-24

3x2+10x-8=3(x+12/3)(x+(-2)/3)=

3(x+4)(x-2/3)=(x+4)(3x-2)

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