# C1 (Core 1) Revision List-Edexcel.

This is a revision list for C1! For those all planning to do AS Mathematics! xD

- Created by: Nishat Ahmed
- Created on: 28-08-12 16:36

First 383 words of the document:

Algebra & Functions:

Simplifying an expression by collecting like terms.

The Laws of indices

Expanding an expression

Factorising an expression

The laws of indices for all rational exponents

The use and manipulation of Surds

Rationalising the denominator of a fraction when it's a surd.

Quadratic Functions:

Plotting the graphs of Quadratic Functions

Solving Quadratic equations using factorisation

Completing the square

Solving quadratic equations by completing the square

Solving quadratic equations by using the formula

Sketching graphs of quadratic formulae

Equations and equalities:

Solving simultaneous linear equations by elimination

Solving simultaneous linear equations by substitution

Using substitution when one equation is linear and the

other is quadratic

Solving linear equations

Solving quadratic equations

Sketching Curves:

Sketching the graphs of cubic functions

Interpreting graphs of cubic functions

Sketching the reciprocal functions

Using the intersection points of graphs of functions to solve

equations

The effect of transformation f(x+a) and f(x-a)

The effect of transformations f(ax) and af(x)

Performing transformations on the sketches of curves

Co-ordinate Geometry in the (x,y) plane:

The equation of a straight line in the form y=mx+c or

ax+by+c=0

The gradient of a straight line

The equation of the straight line of the form y=y1=m(x-x1)

The formula for finding the equation of a straight line

The conditions for two straight lines to be parallel or

perpendicular

Sequences and Series:

The nth term of a sequence

Sequence generated by a

recurrence relationship

Arithmetic sequences/series

Using notation

Differentiation:

The derivative of f(x) as the gradient of the tangent to the graph y=f(x)

Finding the gradient formula of simple functions

The gradient formula for a function where the powers of x are real numbers

Expanding or simplifying functions to make them easier to differentiate

Finding second order derivative

Finding the rate of change of a function at a particular point

Finding the equation of a tangent and normal to a curve at a point

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