P1 Surds and indices Flashcards
1
Q
Define conjugate
A
The conjugate is the same raional number with the sign flipped for the surd e.g. A - sqr(B) -> A + sqr(B)
2
Q
a^m * a^n
A
a^(m+n)
3
Q
a^m / a^n
A
a^(m-n)
4
Q
(a^m)^n
A
a^(m*n)
5
Q
a^0
A
1
6
Q
a^-m
A
1/a^m
7
Q
a^m/n
A
n root(a^m)
8
Q
What is a rational number
A
any number that can be expressed as the fraction p/q , where p and q are integers, and q != 0 .
