Find the value of when and .
Did this page help you?
Syllabus Edition
First teaching 2023
First exams 2025
Find the value of when and .
Did this page help you?
Work out the value of when andÂ
Did this page help you?
Sofia is trying to simplify Â
Her method is
divide by
then
addÂ
Evaluate her method.
Did this page help you?
Use the formula .
Calculate when = 5, = 10 and = 3.
= ..............
Did this page help you?
Find the value of when and
................................................Â
Did this page help you?
.
Find the value of y when , Â and .
..............................................Â
Did this page help you?
The body mass index, , for a person of mass kg and height metres is given by the formula
Usman has a mass of 50 kg.
He has a height of 1.57 m.
Work out Usman's body mass index.
Give your answer correct to one decimal place.
Tom's height is 1.80m.
He wants his body mass index to be 21
Work out the mass that will give Tom a body mass index of 21.
Did this page help you?
 Work out the value of .
Did this page help you?
Work out the value of Â
Write down all the figures on your calculator display.
Did this page help you?
Work out the value of when
...................................................
Did this page help you?
Find the value of whenÂ
.........................................
Did this page help you?
Find the value of when and .
Did this page help you?
Find the value of when and .
 = ..............................................
Did this page help you?
Find when Â
Give your answer in standard form, correct to 4 significant figures.
Â
= ....................................................Â
Did this page help you?
Work out the value of when
Did this page help you?
and are positive values.
Show that  always simplifies to the same value.
Did this page help you?
Amy has beads.
Billy has three more beads than Amy.
Carly has four times as many beads as Billy.
Circle the expression for the number of beads that Carly has.
Did this page help you?