Dear Students,

From this section you can download / view Video Lectures on all subjects for all 6th, 7th, 8th, 9th and 10th classes/grades free of cost. The Videos for class 9th and 10th classes are prepared by SABAK Foundation for the ease of students as per new and updated syllabus/course prescribed by Federal Board of Intermediate & Secondary Education (FBISE), Islamabad – Pakistan and other BISE(s)/Boards of Pakistan and Directorate of Education, Islamabad – Pakistan. We are fully hopeful that after after watching/viewing these Video Lectures you will score 90% plus marks in your exams as they have been prepared in a very simple, easy, brief and in simple and lucid language to understand. For any queries you can contact us. We recommend you to like our Facebook Fan page for latest updates and new posts. You can also get our latest posts via Email directly in your Email Inbox by clicking here.

**Chapter 1: Quadratic Equations (22 videos)**

### 1.1: Quadratic Equations

### 1.2: Solution of Quadratic Equations

- Solving Quadratic Equations by Completing the Squares
- Problem 1: Solving Quadratic Equations by Completing the Squares
- Problem 2: Solving Quadratic Equations by Completing the Squares
- Solving Quadratic Equations by Factorization
- Problem 1: Solving Quadratic Equations by Factorization

### 1.3: Quadratic Formula

- Derivation of Quadratic formula
- Problem 1: Derivation of Quadratic formula
- Solving Quadratic Equation by Quadratic formula
- Problem 1: Solving Quadratic Equation by Quadratic formula
- Problem 2: Solving Quadratic Equation by Quadratic formula

### 1.4: Equations Reducible to Quadratic Form

- Solving Equation Having Degree Four
- Solving Rational Equations
- Solving Reciprocal Algebraic Equation
- Problem 1: Solving Reciprocal Algebraic Equation
- Solving Exponential Equations
- Solving Algebraic Equations in Products Factors

### 1.5: Radical Equations

- Solving Radical Equations in One Variable
- Problem 1: Solving Radical Equations in One Variable
- Problem 2: Solving Radical Equations in One Variable
- Solving Sum of Radicals Equal to Constant