Top answers

Maths
GCSE

Differentiate f(x) = 3x^2+5x+3

Remember the rules for differentiation?

We take each term which looks like axn where a and n are just numbers and we turn it into: (an)xn-1

So for this...

Answered by Alok K. Maths tutor
3832 Views

If (2x+3)/(x-4)-(2x-8)/(2x+1)=1, what is x?

First eliminate fractions;

    Multiplying both sides by (x-4) gives;

    (2x+3)-((2x-8)(x-4))/(2x+1)=(x-4)

    Multiplying both sides by (2x+1) gives;

...
Answered by Hannah C. Maths tutor
2501 Views

Solve this quadractic equation: x^2 - 8x + 15 = 0

To solve x2 - 8x + 15 = 0 we could try to use the Product, Sum, Numbers method (PSN).

The PSN method tells us that our numbers must multply to make the product of the first and...

Answered by Toby S. Maths tutor
10196 Views

Lisa, Max and Punita share £240 in the ratio 3 : 4 : 8 How much more money than Lisa does Punita get?

We should put the names aside to begin with and just look at the ratio and the price. In order to find out how much the ratio 3, the ratio 4 and the ratio 8 are worth, we need to find out how much the ...

Answered by Freddie R. Maths tutor
17980 Views

Factorise and solve x^2 - 8x + 15 = 0

The question gives you a hint on how to go about this question - Factorise!!

1) Factorise the left hand side. Find the two numbers which will add to give -8 and multiply ...

Answered by Kieran N. Maths tutor
5250 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences