Unit 5: Elementary Functions 1

Theory with examples:

• Domain and range
• Piecewise functions.

Problems:

• Domain and range worksheets with solutions.

Videos:

• Relations and functions.
• Introduction to functions.
• Domain and Range: 1 and 2

Unit 4: Trigonometry

VIDEO

•  Tutorial about the trigonometry ratios Sine, Cosine and Tangent.

WORKSHEETS:

• Finding trigonometric ratios (with solutions)
• Finding angles of triangles (with solutions)
• Finding side lengths of triangles (with solutions)

Unit 3: Equations, inequalities and set of simultaneous equations.

 Theory with examples:

• Quadratic equations.
• Biquadratic equations.
• Rational equations.
• Radical equations.
• Solving radical equations.
• Solving exponential & radical equations.
• The Cubic Formula (solve any 3rd degree polynomial equation)
• Exponential and Logarithm equations
• Systems of linear equations: Definitions.
• Systems of non-linear equations: solving simple systems. 
• First degree inequations.

Solving equations and inequalities online:

Problems:

• Radical equations with solutions.
• Radical equations worksheet with answer key (PDF)
• Quadratic word problems. 

Videos:

• Solving radical equations.
• Solving an equation containing two radicals.