Basic Algebra Flashcards
1
Q
√a=
A
|a| or ±a
2
Q
√ab=
A
√a √b
3
Q
√a/b=
A
√a/√b
4
Q
√-n=
A
√ni or -√ni
5
Q
a/√m • √m/√m =
A
(a√m)/m
6
Q
a/(√m + √n) • (√m - √n)/(√m - √n)=
A
(a√m - a√n)/(m-n)
7
Q
a/(√m - n) • (√m + n)/(√m + n) =
A
(a√m + an)/(m - n)
8
Q
a^m • a^n=
A
a^m+n
9
Q
(a^m)^n=
A
a^mn
10
Q
(ab)^n=
A
a^n • b^n
11
Q
a^0=
A
1
12
Q
a^-p=
A
1/a^p
13
Q
a^1/n=
A
^n√a
14
Q
(a+b)^2 =
A
a^2 + 2ab + b^2
15
Q
(a-b)^2 =
A
a^2 - 2ab + b^2