Math
Card Set Information
Author:
Anonymous
ID:
7283
Filename:
Math
Updated:
2010-02-18 11:35:33
Tags:
smathgeom
Folders:
Description:
geometery
Show Answers:
Slope intersept
Y=mx+b
Y=a
Zero slope; parallel to the y-axes
X=b
No Slope; parallel to the x-axis
Point-slope formula
y-y
_{1}
=m(x-x
_{1}
)
Finding the perpendicular bisector
1)
find the slope (y-y/x-x)
2)
Find the negative reciprical
3)
Find midpoint (X+X/2, Y+Y/2)
4)
Plug one point into the point slope formula
4)
Write answer in y=mx+b
The standard equation for a circle
(x-h)
^{2}
+(y-k)
^{2}
=r
^{2 }