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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 3xEAAnswered by Eden A. • Maths tutor4586 Views
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