point-slope form

noun

Definition of point-slope form 

: the equation of a straight line in the form y − y1 = m(x − x1) where m is the slope of the line and (x1, y1) are the coordinates of a given point on the line — compare slope-intercept form

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First Known Use of point-slope form

1904, in the meaning defined above

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The first known use of point-slope form was in 1904

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