Math Formulae Flashcards
0
Q
Odd + Odd
A
Even
1
Q
Combination Formula
A
n!/r!(n-r)!
2
Q
Odd + Even
A
Odd
3
Q
Even + Even
A
Even
4
Q
Odd • Odd
A
Odd
5
Q
Odd • Even
A
Even
6
Q
Even • Even
A
Even
7
Q
Prime numbers to 59
A
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59
8
Q
(GCD of x and y)(LCM of x and y) = xy
A
GCD and LCM problems
9
Q
(a+b)^2
A
a^2 + 2ab + b^2
10
Q
(a-b)^3
A
a^3 - 3a^2b + 3ab^2 - b^3
11
Q
a^2 - b^2
A
(a + b)(a - b)
12
Q
(x^a)(x^b) =
A
x^(a+b)
13
Q
X^a/x^b
A
X^(a-b)
14
Q
(X^a)(y^a)
A
(xy)^a
