Top answers

How do you solve quadratic and linear simultaneous equations?

For two linear simultaneous equations, two algebraic methods can be used to find solutions.The first is elimination, which is usually a lot quicker. Elimination involves subtracting one equation form the oth...
JA
Answered by Jack A. • Maths tutor
10103 Views

N = 2A + B. A is a two-digit square number. B is a two-digit cube number. What is the smallest possible value of N?

A is a 2-digit square number. In order to find the smallest N number we want to find the smallest possible 2-digit sqaure number. To sqaure a number means to multiply this number by itself, e.g. the square n...
SK
Answered by Silvia K. • Maths tutor
8279 Views

A bag contains 12 bals of different colours: 5 red, 4 blue and 3 yellow. What is the probability of not selecting a red ball

The probability of an event not happening is 1 minus the probability of the event happening. Five of the twelve balls are red so the probability of selecting a red ball is 5/12. The probability of not select...
LD
Answered by Laura D. • Maths tutor
9817 Views

How to find the coordinates of the turning points of a curve on a graph

The turning point of a curve occurs when the gradient of the line = 0The differential equation (dy/dx) equals the gradient of a line. Therefore in this case the differential equation will equal 0.dy/dx = 0Le...
CG
Answered by Charlotte G. • Maths tutor
98673 Views

What can I do to revise maths?

Do every past paper you can find!
AL
Answered by Anabel L. • Maths tutor
4368 Views