Additional Maths

Question 0

How do you do binomial probability?

Answer 0

nCr p^r q^n-r

p = chance of one success

q = chance of one failure

r = number of successes needed

n = number of attempts

Question 1

What is the remainder theorem?

Answer 1

When f(x) is divided by (x - a), f(a) is the remainder

Remember f(a) not a

Question 2

What is the equation of a circle and how do you calculate the centre and radius from this?

Answer 2

(x - a)^2 + (y - b)^2 = r^2

Centre = (a, b)

Radius = r

Question 3

What are the 2 trig identities?

Answer 3

Tan(x) = sin(x) / cos(x)

Sin^2(x) + cos^2(x) = 1

Question 4

What are the 4 suvat equations?

Answer 4

s = ut + 0.5at^2

s = ((u + v) / 2) * t

v = u + at

v^2 = u^2 + 2as