Multi-functional ellipse.

主題：橢圓

This time, here is a multi-functional worksheet. Here the value of x and y can be changed by moving sliders h and k. You can also change the value of a and b. This time a is at the x side of the equation.

探索資源

Dan Zhang (ch1 test)
Göteborg Temperatur
Factored Polynomial Demo
instrument kvadrat
An initial challenge

探索主題

正方形
二次函數
Linear Equations
Pythagoras or Pythagorean Theorem
算術

Multi-functional ellipse.

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