Top answers

All subjects
GCSE

Can you derive the Quadratic Formula?

For a general quadratic equation of the form ax2 + bx + c = 0 (1)
We will solve for x via the ‘Completing the Square‘ method:
 
First we divide equatio...
KA
Answered by Kamran A. Maths tutor
6127 Views

How do I complete the square of an equation?


How do I structure the paragraphs in my essays?

When writing any essay, you must always include an introduction, a main body of text, and a conclusion.  It's like a sandwich, with the good meaty stuff right in the middle.

 

The intr...

CW
12563 Views

How to factorise quadratic equations?

There are different ways of factoring an equation depending on the type. A few are highlighted here: 
1) Taking out a common factor 
General formula: ab + ac = ...

LB
Answered by Lydia B. Maths tutor
6275 Views

What is an allele? What are dominant and recessive alleles?

The nucleus of a cell contains DNA molecules, which code for proteins. In humans, DNA is arranged into 46 linear, double-stranded molecules called chromosomes. Chromosomes of similar length are paired...

CT
Answered by Christina T. Biology tutor
20661 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning