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RECOGNIZING THE QUADRATIC FUNCTION

Maximumor
Minimum

AXIS OF SYMMETRY

VERTEX

Y - INTERCEPT

X-INTERCEPTSZEROS
SOLUTIONSROOTS

FACTORS

VERTEX FORM
Y = a(x-h)2 + K

STANDARD FORM
Y = ax2 + bx + c

WORD PROBLEMSubstitute Time in X Height in Y
Y-INTERCEPT MEANVERTEX MEAN
X-INTERCEPT MEANCONTRAINTS

TRANSFORMATIONKnow Parent Function
Horizontal ShiftVertical Shift
Stretch or ShrinkReflection

DERIVING THE QUADRATIC FORMULA

IDENTIFY CHARACTERISTICS OF GRAPHSHAPE
MAXIMUM OR MINIMUMAXIS OF SYMMETRY
VERTEXX-INTERCEPTSY-INTERCEPTS
DOMAIN AND RANGEEND BEHAVIORS

CHANGE STANDARD FORM TO
VERTEX FORM

IDENTIFY THE VERTEX POINT
FROM THE VERTEX FORM

FIND THE SOLUTIONS
FROM VERTEX FORM

CHANGE VERTEX FORM TO STANDARD
FORM

LIST 8 WAYS OF FACTORING

PERFECT SQUARE TRINOMIALFORMULA FACTORS
a x2+2ab+b2 (a+b)2
a x2−2ab+b2 (a−b)2
x2+4 x+4( x+2 ) (x+2 )
(x+2)2
x2−4 x+4( x−2 ) ( x−2 )
(x−2)2

DIFFERENCE OF SQUARESFORMULA FACTORS
a2−b2 (a−b ) (a+b )
x2−25( x+5 ) ( x−5 )
Check: x2+5 x−5x−25x2−25
SUM OF CUBES

FORMULA FACTORS
a3+b3 (a+b )(a2−ab+b2)
8 x3+27(2 x)3+33
(2 x+3 )((2 x)¿¿2+(2 x ) (3 )+(3)2)¿(2 x+3 )(4 x2−6x+9)

DIFFERENCE OF CUBESFORMULA FACTORS
a3−b3 (a−b )(a2+ab+b2)
x3−125x3−53
( x−5 )(x¿¿2+( x ) (5 )+52)¿( x−5 )(x2+5 x+25)

FACTORING x2+bx+cSome trinomials can be written as
the product of two binomials

x2+10x+21x2+3x+7 x+21
(x2+3 x )+(7 x+21)x (x+3 )+7 (x+3)
(x+3)(x+7)
1. Find factors of c that add to make b2. Replace b3. Group4. Factor GCF
FACTORING ax2+bx+c

Some trinomials can be written as the product of two binomials
2 x2+13 x+62 x2+x+12x+6
(2 x2+x )+(12x+6)x (2 x+1 )+6(2 x+1)
(2 x+1)(x+6)
1. Find factors of ac that add to make b2. Replace b3. Group4. Factor GCF

FACTORING BY GROUPINGIf a polynomial has four or more terms, group terms then factor
3n3−12n2+2n−8(3n3−12n¿¿2)+(2n−8)¿3n2(n−4 )+2(n−4)
(3n2+2)(n−4)
1. Group terms based on GCF2. Factor GCF

3. Check

FACTORING GCFFind the GCF of a polynomial’s
terms then factor it out
4 x5−24 x3+8 x
GCF of all three: 4 x4 x5−24 x3+8 x4 x( x4−6 x2+2)4 x5−24 x3+8 x
1. Find GCF of all terms2. Factor GCF3. Check by Distributing

FACTORING

SOLVING

COMPLETING THE SQUARE

QUADRATIC FORMULA

FACTORING

GRAPHING


USING SQUARE ROOTS

FORMULA FACTORS
Perfect Square Trinomial
a x2+2ab+b2 (a+b)2
a x2−2ab+b2 (a−b)2
Difference of Squares
a2−b2 (a−b)(a+b)
Sum of Cubes
a3+b3 (a+b)(a2−ab+b2)
Difference of Cubes
a3−b3 (a−b)(a2+ab+b2)
