Algebra

Simplifying Algebraic Fractions using Factorising

Expanding expressions using Pascals triangles

The Binomial Theorem

For Factorials click here

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Factorising Algebraic Expressions

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The Factor Theorem (An example)

Sketching Polynomials (3 examples)

Rules for sketching Polynomials

Determining Unknown Coefficients

Completing the Square

Deriving the Quadratic Formula (Not required for LC)

Using the completed square form to sketch graphs

Simultaneous Equations with 3 Variables

Absolute Values (Modulus)

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Inequalities

Examples of Linear Inequalities

Quadratic and Rational Inequalities

Absolute (Modulus) Inequalities

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Matrices and Linear Algebra

Not required for Leaving Cert

Matrices - The Basics

The Determinant and Inverse Matrices

Solving Linear Equations using Matrices

Finding the Determinant of a 3 x 3 Matrix

Using Matrix of Minors, Cofactor and Adjugate to find the Inverse of a 3 x 3 Matrix

Transformations using Matrices

Using Gaussian Elimination to find the Inverse of a 3 x 3 Matrix

Linear Combinations

Spanning Sets, Bases and Linear Dependence

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Partial Fractions

Not required for Leaving Cert

Partial Fraction Expansion 1

Partial Fraction Expansion 3

Partial Fraction Expansion 2

Partial Fraction Expansion 4

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