further math methods Flashcards
1
Q
rationalising surds
A
a/√b x √b/√b
a/√b-1 x √b+1/√b+1
2
Q
completing the square (ax^2+mx+n)
A
3
Q
(a^m)^x
A
a^mx
4
Q
a^m x a^x
A
a^m+x
5
Q
a^m/a^x
A
a^m-x
6
Q
a^-m
A
1/a^m
7
Q
√a
A
a^1/2
8
Q
a^0
A
1
9
Q
finding the length of point a->b
A
√(x2-x1)^2 + (y2-y1)^2
10
Q
gradient formula
A
y2-y1/x2-x1
11
Q
A
