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Do you have any tips for revising for my GCSE Maths Exam?

Revising for a Maths exam can be challenging, especially if you find yourself struggling to understand a particular topic. One thing I would strongly recommend, from having reaped the benefits of it myself, ...
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Answered by Ross H. • Maths tutor
4752 Views

Rationalise 1/(√7) ?

1/(√7) x(√7)/(√7) =(√7)/7
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Answered by Harkeran J. • Maths tutor
10456 Views

How do I solve simultaneous equations given a linear and a quadratic equation?

Let's use the following example: y - x = 3 y^2 + x^2 = 29 . Firstly, the second equation is the quadratic equation because it has a y-squared term. The first equation is linear because it doesn't have any sq...
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Answered by Erica H. • Maths tutor
5706 Views

Find the values of a, b and c in the equation: (5x + 3)(ax + b) = 10x^2 + 11x + c.

We can go about solving this problem by equating the coefficients of x^2, x, and the constant c. First of all, we must expand the bracket (5x + 3)(ax + b). One helpful way of doing this correctly is the FOIL...
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Answered by Camilla R. • Maths tutor
6354 Views

When a price changes from £15 to £20. By how much percentage has the price changed?

If a price goes up from £15 to £20, the price has increased. The rate of increased is solved by finding the difference in the change which is £5 (£20-£15). The percentage is gotten by £5/£15 *100% and the an...
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Answered by Benjamin I. • Maths tutor
3696 Views