## Unit 07 Arithmatic and Geometric Sequence (General Mathematics 9 PCTB)

Notes, solutions of unit 07, General Mathematics 9, for Punjab Curriculum & Textbook Board (PCTB), Lahore.

* Recall linear equation in one variable.

- Solve linear equation with rational coefficients.
- Reduce equations, involving radicals, to simple linear form and find their solutions.
- Define absolute value.
- Solve the equation, involving absolute value, in one variable.
- Define inequalities $( >, <)$ and $( > , <)$
- Recognize properties of inequalities (i.e., trichotomy, transitive, additive and multiplicative).
- Solve linear inequalities with rational coefficients.

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