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Vectors

k=3
JS
Answered by Joshua S. • Maths tutor
3642 Views

Solve these simultaneous equations, 2x+y=6 and 3y-x=11

First step is to choose between the three methods for solving simulataneous equations; elimination, substitution and eqaulity. In this case the best method is probably substitution, but personal preference i...
EG
Answered by Edward G. • Maths tutor
5601 Views

Work out 2^3 + 4^2

When a number is raised to a power, that means the number is multiplied by itself. The power (the small number) shows how many times we need to multiply the big number by itself. Therefore: 2^3 can be split ...
FM
Answered by Felix M. • Maths tutor
4508 Views

I feel really nervous about time pressure in the exam, I don't think I'll finish

I used to struggle with this. The best way to get better at time management is to practice, practice, practice. A lot of exam practice isn't actually leanring the information, its exam technique. A few weeks...
LB
Answered by Laura B. • Maths tutor
3998 Views

Explain the difference between the domain and range of a function.

The domain is the set of values you can put in for x. And the range is the set of vaules you get out of the function. On a graph f(x) against x, the difference in x values shows the domain and the range of y...
CP
Answered by Charlotte P. • Maths tutor
5420 Views