Chapter I Special Parallelogram
Chapter II Quadratic Equation in One Variable
Chapter III Further Understanding of Probability
Chapter IV Graphic Similarity
Chapter V Projections and Views
1. Inference
2. Perspective
Chapter VI Inverse Proportional Function
1. Inverse proportional function
2. Images and properties of inverse proportional function
The ninth grade knowledge points of China Normal University Edition:
Chapter 21 Quadratic Radicals
Chapter 22 One-variable quadratic equation
Chapter 23 Similarity of Graphics
Chapter 24 Solving Right Triangle
Chapter 25 Probability of Random Events
25. 1 Observation of uncertainty in repeated experiments
25.2 Probability of random events
Knowledge points of ninth grade of People's Education Edition:
Chapter 265438 +0 unary quadratic equation
1 unary quadratic equation
2 Degeneration-Solving a Quadratic Equation with One Variable
3 practical problems and quadratic equations in one variable
Chapter 22 Quadratic Function
Images and properties of 1 quadratic function
Quadratic function and unary quadratic equation
3 practical problems and quadratic functions
Chapter 23 Rotation
1 Rotation of the graph
2 central symmetry
Chapter 24 Circle
Some properties of 1 circle
2. Position relation related to circle
Regular polygons and circles
4 arc length and sector area
Chapter 25 Preliminary Probability
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