Point Slope Form Calculator
English

Equation of a straight line can be calculated using various methods such as slope intercept form, point slope form and two point slope form method. Point slope form is one such method used to find the straight line equation where one co-ordinate and slope is given. In the below calculator, enter the values for slope and (X1, Y1) point and click calculate to find the equation of straight line. This formula can also be used to find the slope of the line.


Find the Equation of a Straight Line

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Formula :

(y - y1) = m(x- x1)

Example

Find the equation of a straight line when the co-ordinate point is (3,4) and slope is 7.

Step 1

Apply the values in (y - y1) = m(x- x1)
(y-4) = 7 ( x-3)

Step 2

Simplifying,
(y-4) = 7x - 21
y-7x = -21 + 4
y-7x = -17
7x-y-17 = 0 is the equation.

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