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Coordinate Geometry
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tydealias
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The Distance between two points
SQARE ROOT (x
_{1}
- x
_{2}
)
^{2}
+ (y
_{1}
- y
_{2}
)
^{2}
Mid Point of a Straight Line
(x
_{1}
+ x
_{2}
)/2 , (y
_{1}
+y
_{2}
)/2
The Gradient of a straight Line
y
_{2}
- y
_{1}
x
_{2}
- x
_{1}
Parellel Lines have the same.....
When two straight lines are perpendicular, the product of their gradients is.......
Gradient
-1
The general equation of a straight line is
y = mx + c
Where
m is the gradient
c is the y intercept
Alternative Forms of a straight line equation are:
y - y
_{1}
= m(x - x
_{1}
)
or
ax + by + c = 0
Author:
tydealias
ID:
117410
Card Set:
Coordinate Geometry
Updated:
2011-11-17 03:35:43
Tags:
Geometry coordinate
Folders:
Description:
The equations for solving coordinate geometry problems
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