Over a million students use our free study notes to help them with their homework
The y=mx+c equation is for a straight line (also known as 'linear') graph.
The 'y' is representative of the y-value, 'm' represents the gradient (how s...
The first step is to make sure that the coefficient of x^2 is 1 by dividing all terms by a (where a equals the coefficient of x^2). Then we must write the quadratic e...
The reason why we factorise quadratic equation is because it is a neater and simpler way of writing the expression.
Example 1
If we wanted to factorise x^2 + 10 + 21 we must look at f...
A quadratic equation is one with a squared term, like 3xAnswered by Eden A. • Maths tutor3493 Views
←
943
944
945
946
947
→
Internet Safety
Payment Security
Cyber
Essentials
