Maths Term 2 Flashcards

Distance Between two points:

Mid point:

Gradient:

Remember: RISE OVER RUN

Simple interest:

-Total

-Interest

I=PRT

Compound Interest:

Isolating:

Simple Interest

Isolating:

Compound Interest:

Convert from	Do this
m/s → km/h
km/h → m/s

Multiply by 3.6

Divide by 3.6

Direct proportion:

y=kx

k is the constant of proportionality

Conversion Table

Find the after-tax price on goods or services on which the GST is, e.g 60

0.10 * P =60

P= 60/0.10 = 600

600+60 = $660

reverse a decrease

1/rate - 1

reverse an increase

1- 1/rate

after tax price

x * 1.10

pre tax price

final price / 1.10