JST17 5. Section 1g Parallel lines

Author:Jill Stephenson, Integral Resources

You can change the blue line by moving either of the green points. The red line is parallel to the blue line. What do you notice about the gradients and the equations of the lines?

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繪畫垂直線
Quadrant Illustrator
Congruent Figures
Pythagorean Theorem: Extension Exercises
Pythagorean Template: Integer Legs

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Solve the system by elimination using multiplication.
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Snowflake
parallelogram project
GeoGebra Project

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