SS1 Second Term Mathematics Lesson Note – Quadratic Equations

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WEEK 3        

TOPIC: QUADRATIC EQUATIONS

CONTENT:

• Revision of linear and quadratic expressions
• Solution of quadratic expression of the form ab=0, a=0 or b=0
• Formation of quadratic equation with given roots

 REVISION OF LINEAR AND QUADRATIC EXPRESSIONS

Any expression in which highest power of the unknown is 1 is called a linear expression. Some examples of linear expressions are; (a) x + 1   (b) 2y + 3   (c) p

In general, linear expressions are expressions of the form , where a & b are constants and x is a variable.

A quadratic expression is that whose highest power of the unknown is 2. Examples are; (a)  (b)

Factorization of quadratic expressions;

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