The Cartesian Plane

The Cartesian Plane - y y x x d-+-= + + 2 , 2 2 1 2 1 y y x...

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The Cartesian The Cartesian Plane Plane Section A.2
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The model for representing ordered pairs is called the rectangular coordinate system , or the Cartesian plane. For the point (x, y), the 1 st coordinate is the x-coordinate or the abscissa. The 2 nd coordinate is the y-coordinate or the ordinate .
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The distance d between the points (x 1 , y 1 ) and (x 2 , y 2 ) in the plane is given by The midpoint of the same coordinates is 2 1 2 2 1 2 ) ( ) (
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Unformatted text preview: y y x x d-+-= + + 2 , 2 2 1 2 1 y y x x Standard Form of the Standard Form of the Equation of a Circle Equation of a Circle The point (x, y) lies on the circle of radius r and center (h, k) iff 2 2 2 ) ( ) ( r k y h x =-+-The general form of the equation of a circle is: Look at completing the square Example 5 page A14. , 2 2 = + + + + A F Ey Dx Ay Ax...
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The Cartesian Plane - y y x x d-+-= + + 2 , 2 2 1 2 1 y y x...

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