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.

• Unit 01: Percentage Ratio and Proportion
• Unit 02: Zakat, Ushr and Inheritance
• Unit 03: Business Mathematics
• Unit 04: Financial Mathematics
• Unit 05: Consumer Mathematics
• Unit 06: Exponents and Logarithms
• Unit 07: Arithmatic and Geometric Sequence
• Unit 08: Sets and Functions
• Unit 09: Linear Graphs
• Unit 10: Basic Statistic