Coordinate Geometry

Card Set Information

Author:
tydealias
ID:
117410
Filename:
Coordinate Geometry
Updated:
2011-11-16 22:35:43
Tags:
Geometry coordinate
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Description:
The equations for solving coordinate geometry problems
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  1. The Distance between two points
    SQARE ROOT (x1 - x2)2 + (y1 - y2)2
  2. Mid Point of a Straight Line
    (x1 + x2)/2 , (y1 +y2)/2
  3. The Gradient of a straight Line
    • y2 - y1
    • x2 - x1
  4. Parellel Lines have the same.....

    When two straight lines are perpendicular, the product of their gradients is.......
    Gradient

    -1
  5. The general equation of a straight line is
    y = mx + c

    • Where
    • m is the gradient
    • c is the y intercept
  6. Alternative Forms of a straight line equation are:
    y - y1 = m(x - x1)

    • or
    • ax + by + c = 0

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