Autumn Half Term 1 Flashcards
1
Q
what is p x p x p x p
A
p^4
2
Q
what is 5^2
A
125
3
Q
what is √121
A
11
4
Q
what are the two possible answers to x = √81
A
-9 or +9
5
Q
what is a^1/2
A
√a
6
Q
what is a^1/n
A
n√a
7
Q
how would you make x^-n positive
A
1/x^n
8
Q
how would you make (3/5)^-1 positive
A
(5/3)^1
9
Q
a^b x a^c =
A
a^b+c
10
Q
a^b / a^c
A
a^b-c
11
Q
(x^a)^b
A
x^ab
12
Q
what is 4,000,000 in standard form?
A
4 x 10^6
13
Q
what is 36,000 in standard form?
A
3.6 x 10^4
14
Q
differentiate y = x^n
A
dy/dx = nx^n-1
15
Q
what is another name for dy/dx ?
A
the gradient function