A graph shows both the speed and acceleration of a car. Identify which line corresponds to which measurement, and calculate the acceleration during a portion of time.

The custom function rectangle(width,height) draws a rectangle with the given dimensions, along with some labels.

Introductory exercises about set theory designed to prepare students for their first lectures on the subject.

Introductory exercises about set theory designed to prepare students for their first lectures on the subject.

Introductory exercise about power sets.

No description given

An investment of x invested today will give a return of €y in n1 years time and a further €z n2 years from today. Calculate the net present value (NPV) of the investment given that the discount rate is perc% per annum.

rebelmaths

An investment of €x invested today will give a return of €y in n years time Calculate the net present value (NPV) of the investment given that the discount rate is 3.5% per annum.

rebelmaths

A credit card company charges compound interest at x% per month 
on unpaid balances.

rebelmaths

A savings account earns compound interest at 1.5% per month.
Calculate the equivalent annual rate of interest

rebelmaths

Find i using compound interest formula A=P(1+i)^n

rebelmaths

To provide for retirement an employee deposits R at the end of each month in an account that earns $perc% annual interest compound monthly. What is the future value of the annuity in nyears?

rebelmaths

25 questions on solving quadratic equations

Some quadratics are to be solved by factorising

A 1-year lease for a company car requires a payment of €280 at the end of each month. Find the present value of these payments if the annual interest rate is 7% compounded monthly.

rebelmaths

Factorise three quadratic equations of the form $x^2+bx+c$.

The first has two negative roots, the second has one negative and one positive, and the third is the difference of two squares.

This question is made up of 10 exercises to practice the multiplication of brackets by a single term.

Calculate the final amount in a savings account where compound interest is earned annually 

Compare two savings accounts with different interest rates.

rebelmaths

Calculate the annual interest rate for a savings account where A, P and n are given.

rebelmaths

A savings account earns compound interest at 1.5% per month.
Calculate the equivalent annual rate of interest

rebelmaths

No description given

Simplifying indices.

Simplifying indices.

Substitute given values into formulas.

This exercise will help you solve equations of type ax-b = c.

Calculate the time taken for a certain distance to be travelled given the average speed and the distance travelled.

Small, simple question.