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Published bySara O'Neal Modified over 2 years ago

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The Coordinate Plane By: Christine Berg Edited By:VTHamilton

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Definition The plane formed when 2 perpendicular number lines intersect at their zero points Coordinate Plane Coordinate Plane

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Coordinate Plane The perpendicular number lines form a grid on the plane

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X-axis The horizontal number line Positive to the right Positive to the right Negative to the left Negative to the left

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Y-axis The vertical number line Positive Positive upward Negative Negative downward

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Origin Where the x and y axes intersect at their zero points

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Quadrants The x and y axes divide the coordinate plane into 4 parts called quadrants

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I II III IV

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Ordered Pair A pair of numbers (x, y) assigned to a point on the coordinate plane

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Ordered Pair (x, y) X-coordinate Y-coordinate

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Plotting a Point Step 1: Begin at the Origin

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Plotting a Point Step 2: Locate x on the x-axis

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Plotting a Point Step 3: Move up or down to the value of y

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Plotting a Point Step 4: Draw a dot and label the point

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In Your Own Words What What is a coordinate plane? Define Define origin How How do you plot a point?

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