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How do I solve simultaneous equations when one of the equations is not linear?

Sometimes you are asked to solve simultaneous equations where one of the equations has an x 2 and/or a y 2 in it - this is called a non-linear equation. This kind of question can look very complicated but on...
KB
Answered by Kristen B. • Maths tutor
9860 Views

How do you work out the length of one of the sides of a right-angled triangle given the other two?

You must first identify which sides you are given. If you have been given both sides which are not the hypotenuse (the longest side opposite the ninety degree angle) then you can use the equation: a^2 + b^2 ...
TW
Answered by Toby W. • Maths tutor
5786 Views

13 - 3 × 4+2 Simple question that lots of people get wrong

Have you heard of the BODMAS / BIDMAS rule? This rule changes your answer from 42 to 3 instead. that is because this rule says you need to follow a specific order when calculating. It seems easy but is quite...
SR
Answered by Shanju R. • Maths tutor
43507 Views

How do I remember the difference between the perfect and imperfect tenses?

A way of remembering the difference is to think that the word 'perfect' comes from the Latin 'perfectus' meaning ' completed ' while 'imperfect' will therefore mean not yet completed or on-going . The perfec...
LG
Answered by Lily G. • French tutor
18737 Views

Name the types of timber and their characteristics

Hardwood: deciduous trees darker in general more expensive harder, stronger in general Softwood: coniferous trees cheaper, lighter in colour, less dense
VC
4553 Views