Maths Flashcards
1
Q
What is a number to the power of zero equal to?
A
one
2
Q
what is 5 to the power of 4?
A
5 x 5 x 5 x 5 = 625
3
Q
what is a number to the power of a half?
A
its square root
4
Q
how do you write 1 divided by a number with a power?
A
a negative power
5
Q
what is pythagorus theorum?
A
a2 + b2 = c2 where c squared is the hypotenuse
so c = √a2 +b2
6
Q
what does Δ mean?
A
the symbol delta represents a change in quantity
7
Q
how do we calculate circumference?
A
c= 2 π radius
8
Q
what does a dot positioned above a symbol indicate?
A
it is the rate of change
