indicies Flashcards
1
Q
what is the rule for a power of a half (^1/2)
A
square root the number. eg. 9^1/2 = 3
2
Q
if you’re multiplying powers, eg p² x p², what do you do to the powers?
A
add them
3
Q
dividing powers?
A
subtract the powers
4
Q
power of a power? (y^3)^4
A
times powers y^12
5
Q
what is a reciprocal?
A
the number over 1 as a fraction
6
Q
what is the rule for the power of 0
A
its always 1, no matter the number
7
Q
is something is to the power of 2/3?
A
square then cube root
8
Q
if something is to the power of 3/2
A
cube then square root
9
Q
if something is to a negative power?
A
reciprocal over the positive power eg 7^-3 = 1/7^3
10
Q
solving equations rule
A
what ever you do to one side must be done to the other side.
