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To plot any graph, you need to find out where the curve cuts the x and y-axis, and where it's stationary points are, aswell as what type of stationary point you have.

Here are the steps:

a) The first part of this question is asking us to find points, (x,y), such that    x = -8. By taking the equation and substituting in x = -8, we should find values, y, such that the points given are (-8,...

To find the roots, we solve the equation 3x² + 13x + 4 = 0.

We could try factorising the equation, which gives...

This is an example of a rational function. So to sketch it, we need to know three things: 1) where it crosses the x and y axis 2) Where its turning points are, if it has any 3) Where its asymptotes are, i...

Firstly, you can only complete the square on quadratic functions (functions in the form Ax²+Bx+C)

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