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How do I draw a straight line graph given a y=mx+c equation by the table method?

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 steep the graph is) and 'c' represents the y-intercept (...
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Answered by Neha C. • Maths tutor
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How do I solve a quadratic equation by completing the square?

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 equation as a square plus another term. To...
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Answered by Gina J. • Maths tutor
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When chlorine is bubbled through potassium bromide solution, the solution turns orange. Explain this.

This is because the reaction taking place is a displacement reaction , meaning that one element is being displaced by another. So what is being displaced?: If you look at the periodic table, chlorine is more...
LB
Answered by Leah B. • Chemistry tutor
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How to factorise simple quadratic equations?

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 factors of 21 that add up...
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Answered by Karan V. • Maths tutor
6271 Views

What is the best way for revising for GCSE literature?

From personal experience, I believe the best way for revising for literature is kowing the works. This does not mean know the plot and the names of the characters (even though that's a start...). By know, I ...
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