# First Year of Secondary School · Mathematics

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First Term
10.1. Algebra, Relations, and Functions

- 10.1.1. Solving Quadratic Equations with One Variable
- 10.1.2. Introduction to Complex Numbers
- 10.1.3. Determining Types of Roots of a Quadratic Equation
- 10.1.4. Relation between the Two Roots of the Second Degree Equation and the Coefficients of Its Terms
- 10.1.5. Sign of a Function
- 10.1.6. Quadratic Inequalities with One Variable

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First Term
10.2. Trigonometry

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First Term
10.3. Similarity

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First Term
10.4. Triangle Proportionality Theorems

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Second Term
10.5. Matrices

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Second Term
10.6. Linear Programing

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Second Term
10.7. Trigonometry

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Second Term
10.8. Vectors

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Second Term
10.9. Straight Line

- 10.9.1. Division of a Line Segment
- 10.9.2. Equation of the Straight Line
- 10.9.3. Measure of the Angle between Two Straight Lines
- 10.9.4. The Length of the Perpendicular from a Point to a Straight Line
- 10.9.5. General Equation of the Straight Line Passing through the Point of Intersection of Two Lines