Factorising Polynomials Worksheets Term 2

Topics: Polynomial Pages: 19 (1181 words) Published: May 12, 2013

JEPPE HIGH SCHOOL FOR BOYS

GRADE 9

POLYNOMIAL MATHS LESSON PLAN

DATE: Term 2 2012
TIME: 1 HOUR

Objective of the lesson

Revision of how to:
• Use the four basic mathematical operators on various polynomials • Factorise a polynomial depending on its structure
• Solve an equation by factorising a polynomial

Basic operator use on polynomials

Time required:20 Minutes
Method:
• Show how each operator works on a polynomial
• Show exceptions to the rule if any exist
• Allow students time to complete worksheet

Factorising a polynomial

Time required:20 Minutes
Method:
• Show the 3 different forms of factorising a polynomial • Show exceptions to the rule if any exist
• Allow students time to complete worksheet

Solving equations by factorising polynomials

Time required:20 Minutes
Method:
• Show how a solution is valid in an equation
• Show exceptions to the rule if any exist
• Allow students time to complete worksheet

Worksheet on Polynomials

Add.
|1. |2. |3. | |(14x + 15) + (10x + 14) |(8x + 10) + (11x + 10) |(14x2 + 5x + 19) + | | | |(11x2 + 18x + 17) | | | | | | | | | | | | |

Subtract.
|1. |2. |3. | |(7x + 7) - (11x + 13) |(11x + 17) - (14x + 18) |(7x2 + 17x + 13) - (12x2 + 10x + 4) | | | | | | | | | | | | |

Multiply.
|1. |2. |3. | |(6x) (11x + 9) |5x (4x + 1) |10x (11x2 + 5x + 4) | | | | | | | | | | | | |

Use FOIL.
|1. |2. |3. | |(11x + 8) (2x + 5) |(7x + 7) (5x + 3) |(5x + 2) (11x + 7) | | | | | | | | | | | | |

Multiply.
|1. |2. |3. | |(5x2 + 6x - 10) (8x - 3) |(9x2 + 11x - 9) (12x - 5) |(-7x7...

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