# Maths Core 1 Helpsheet

This is a selection of easy to remember tips for the main subjects in the core 1 exam. hope it helps

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### Page 1

Mathematics Core 1 Help Sheet.

EQUATIONS OF LINES

1. Label the points (X1, Y1), (X2, Y2)

2. Find the Gradient and call it M

M= (Y2 Y1) / (X2 X1)

3. Write down the equation using, Y Y1 = M(X X1)

4. Convert to any other forms if needed

DIFFERENTIATION…

### Page 2

Mathematics Core 1 Help Sheet.

FINDING TANGENTS AND NORMALS

1) Differentiate the function

2) Find the gradient, M, of the tangent or normal

tangent, M= gradient of the curve

normal, M= 1/ gradient of the curve

3) Write the equation of the tangent or normal in the form

Y Y1…

### Page 3

Mathematics Core 1 Help Sheet.

d = is the number needed to make the new form equal the old form
b/2a = the number in the bracket is always equal to half the old number in front of x

4) Find d, by making the old equation equal to the…