C1 - Algebra And Functions

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C1 Algebra And Functions
Harman Rai
Mind Map by Harman Rai, updated more than 1 year ago
Harman Rai
Created by Harman Rai almost 9 years ago
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C1 - Algebra And Functions
  1. Simplifying expressions by collecting like terms
    1. When simplifying expressions remember to look out for like terms that you can either subtract or add to simplify the expression.
        1. 4x - 5y + 3x + 6y = 7x + y
        2. The Rules Of Indices
          1. When you are X two values together you are adding the powers and multiplying the numbers
            1. When you are / two values together you are taking away the powers and dividing the numbers
              1. Expanding An Expression
                1. The sign outside of the bracket changes the sign of every term inside the brackets
                  1. 5(2x + 3) = 10x + 15
                    1. Factorising Expressions
                      1. When you factorise an expression the terms inside should now not have a common factor
                        1. 3x + 9 = 3(x + 3)
                          1. Factorising quadratic expressions
                            1. quadratic expression is written as ax*2 + bx + c where a, b, c are constants
                              1. 6x*2 + 9x = 3x(2x + 3)
                                1. The rules of indices for all rational exponents
                                  1. They can be written as a/b where a and b are both integers
                                    1. x*-4 / x*-3 = x*7
                                      1. The use and manipulation of surds
                                        1. The square root of a number is a surd
                                          1. Rationalising the denominator of a fraction when it is a surd
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