Maths Problem- Need Urgent Help!!?
It is regarding proportion.
IMPORTANT- Answers should include full method working for each part of the question- clearly labelled and correct.
Here comes the question:
y is directly proportional to the square of x.
y=72 when x=2
a) Express y in terms of x
b) Work out the value of y when x=1/2.
Please remember full working all clearly labelled.
Many thanks- and be speedy!