# Maths Paper 2

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What is the equation of a circle?
x squared + y squared = r squared
1 of 10
How to find the turning point of
(x + 2)squared + 3?
(-2, 3)
2 of 10
How to find surface area of a cone?
πr squared + πrl
3 of 10
How to find volume of a cone?
1/3hπr²
4 of 10
How to get from length scale factor to volume scale factor?
Cube the LSF
e.g LSF = 2
VSF = 8
5 of 10
How to get from length scale factor to area scale factor?
Square the LSF
e.g LSF = 2
ASF = 4
6 of 10
What does this mean?
P(A')
The probability of A NOT happening
7 of 10
What does this mean?
P(A ∪ B)
The probability of A AND B happening
8 of 10
What does this mean?
P(A ∩ B)
The probability of A OR B happening
9 of 10
How to work out inverse functions?
Set f(x) as y
Make x the subject
Swap all the y's for x's
(swap y for inverse function)
10 of 10

## Other cards in this set

### Card 2

#### Front

How to find the turning point of
(x + 2)squared + 3?

(-2, 3)

### Card 3

#### Front

How to find surface area of a cone?

### Card 4

#### Front

How to find volume of a cone?

### Card 5

#### Front

How to get from length scale factor to volume scale factor?