Chapter V Intersecting Lines and Parallel Lines

5. 1 intersection line

5. 1. 1 intersection line

5. 1.2 vertical line

5. 1.3 Conformal angle, internal dislocation angle and ipsilateral internal angle.

5.2 Parallel lines and their determination

5.3 Properties of parallel lines

5.4 Translation

Synthetic test

Chapter VI Plane Cartesian Coordinate System

6. 1 plane rectangular coordinate system

6.2 Simple application of coordinate method

Synthetic test

Chapter VII Triangle

7. 1 Line segment related to triangle

7.2 Angle related to triangle

7.3 sum of polygons and their internal angles

7.4 Project Learning Mosaic

Synthetic test

Mid-term examination questions of the second semester

Chapter VIII Binary Linear Equations

8. 1 binary linear equations

8.2 Elimination Solution of Binary Linear Equation

8.3 Practical Problems and Binary Linear Equations

8.4 An example of solving ternary linear equations

Synthetic test

Chapter 9 Inequality and Unequal Groups

9. 1 inequality

9.2 Practical Problems and One-dimensional Linear Inequalities

9.3 One-dimensional linear inequality system

Synthetic test

10 Chapter Data Collection, Arrangement and Description

10. 1 statistical survey

10.2 histogram

10.3 project learning talking about water saving from data (omitted)

Synthetic test

Final examination questions of the second semester

Reference answer

Reference answer and analysis