Lesson 16

# Lesson 16 - Lesson 16 Rectangular coordinate...

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Lesson 16 Rectangular coordinate system (Cartesian coordinate system): - two perpendicular number lines in a plane that intersect at the zero point of each line (origin) - the horizontal number line is the ± ² ³´ - the vertical number line is the µ ± ² ³´ - the plane is called the coordinate plane or the µ -plane - the axes divide the plane into four parts called quadrants What are the signs of and µ in each quadrant? Ordered pairs: - points in a rectangular coordinate system - denoted with capital letters - the first value denotes the units to the right (positive) or to the left (negative) of the origin ? ? °± °±± °±±± °±²

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- the second value denotes the units above (positive) or below (negative) of the origin - every ordered pair on the ± ² ³´ is of the form µ ¶ ·¸ - every ordered pair on the ¹ ± ² ³´ is of the form µ·¶ ¹¸ What equation represents the ± ² ³´ ? What equation represents the ¹ ± ² ³´ ?
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Lesson 16 - Lesson 16 Rectangular coordinate...

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