Top answers

Could you please go through an example question where you have to solve quadratic simultaneous equations?

Of course - let's solve this question: Question: Solve the following quadratic simultaneous equations (1) 2x + y = 4 - x (2) y 2 + 4x = 12 Answer: a) Let us start by re-arranging the first equation: 2x + y =...
AS
Answered by Akhil S. • Maths tutor
3696 Views

Solve the equation x ^2>=3(x + 6)

1. Begin by mulitplying out the bracket on the right hand side of the equation. x^2=3x+18 2. Now move all of the terms of the equation onto one side by subtracting them x^2-3x-18=0 3. The quadratic equation ...
BT
Answered by Brad T. • Maths tutor
11651 Views

Express 50p as a fraction of £4 and give your answer in its simplest form.

Firstly we know that £1 equals 100p. Then we could write 50p as £0.5 (As 50/100= 5/10= 1/2= 0.5), which is equivalent. Now we do the fraction, £0.5 over £4, which is 0.5/4, enlarge both of the numerator and ...
JH
Answered by Joy H. • Maths tutor
22061 Views

State the nth term of the following sequence: 3,7,11,15,19...

nth term= 4n-1
JJ
Answered by Jaredd J. • Maths tutor
7647 Views

Jo has the following 9 coins in her purse: 10p, 2p, 2p, 50p, 10p, 1p, 20p, 2p, 2p. Work out the median, mean, mode and range.

To work out the median of a set of numbers we first place them in order: 1p, 2p, 2p, 2p, 2p, 10p, 10p, 20p, 50p Then the median is the middle value in the list, in this case 2p. To work out the mean we must ...
CB
Answered by Chris B. • Maths tutor
6184 Views