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The form of a linear equation. y=ax+bWhat does it look like on a graph. What is the gradientWhat is the y-intercept.How would you plot it accurately.Examples.

The first thing to be aware of with grouped frequency is that we are not given the exact data, but instead we are told that we have some data and we have been able to divide it into set groups. Imagine we...

This is a typical exam style question, taken from an AQA paper. This question is testing your knowledge of stationary points and differentiation. Step 1: Find all stationary points by setting the first ...

x < -3

y+y=2y
x×x=x²
therefore, y+y-x×x=2y-x²