Top answers

How do I find the equation of a straight line from a graph?

Let's use a general equation for straight lines, y= mx +c. Here, the m and c represent numbers (or constants), which will differ for each specific line. The number in the place of the m is the gradient of th...
KM
Answered by Katherine M. • Maths tutor
4068 Views

Solve 5w – 3 = 3w + 15

You need to solve the question so this means you need to work out the value of w. To work out the value of w you rearrange the terms and make w the subject of the equation. Start with minusing 3w on both sid...
DH
Answered by Danielle H. • Maths tutor
9243 Views

Triangle PQR is a right angled triangle. PQ is the hypotenuse and is 5cm long and QR has length 3cm. What is the length of side PR? Show your working.

Pythagoras' theorem is used to calculate the lengths of the sides of a right angled triangle. The theorem is as follows : a 2 = b 2 + c 2 , where a is the length of the hypotenuse. The hypotenuse is the side...
KM
Answered by Khadija M. • Maths tutor
15415 Views

How do I solve an algebraic expression when the unknown is on both sides of the equals sign?

the basic idea is to get everything with the unknown (let's assume this is x) on one side of the equals and everything else on the other side. To do this we use the 'inverse idea' to move our items onto diff...
CR
Answered by Coral R. • Maths tutor
3910 Views

How should I approach an unseen poem?

Unseen poetry is a chance for you to show the examiner your skills at language analysis and closer reading. To start with an unseen poem, make sure you've got a couple of highlighters to hand in order to mar...
LG
5374 Views