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View Full Version : Equations passing through points


permianchic08
Dec 18, 2007, 07:03 PM
How do I find an equation that passes through two given points?

itsme_vipsdude
Dec 19, 2007, 04:01 AM
first of all find the slpoe using the formula
(y2-y1)/(x2-x1)
now use the formula for equation as
y=mx

jiten55
Dec 19, 2007, 04:55 AM
Equation of a straight line passing through (x1, y1) and (x2, y2) is

(y - y1)/(x - x1) = (y1 -y2)/(x1 - x2)

Tuscany
Dec 19, 2007, 05:27 AM
first of all find the slpoe using the formula
(y2-y1)/(x2-x1)
now use the formula for equation as
y=mx

the complete equation is y=mx+b

m = the slope
b = the y intercept