Algebra review
, Algebra review
a+b=b+a (commutative property)
(a+b) +c=a+(b+c) (associative property)
a(b+c)=ab+ac (distributive property)
Fractions
a c
b
+ d
ad +cb
bd
a c
b
x d
ac
bd
Polynomial theorem
If P is a polynomial and P(b)=0, then x-b is a factor of P(x)
Quadratic formula
−b ± √ b2−4 ac
x=
2a
, Algebra review
a+b=b+a (commutative property)
(a+b) +c=a+(b+c) (associative property)
a(b+c)=ab+ac (distributive property)
Fractions
a c
b
+ d
ad +cb
bd
a c
b
x d
ac
bd
Polynomial theorem
If P is a polynomial and P(b)=0, then x-b is a factor of P(x)
Quadratic formula
−b ± √ b2−4 ac
x=
2a