Concept (1)

Point-slope form of a line is one method to write the equation of a line. Start with the slope equation, which is basically the difference between two points, and then rearrange the terms to obtain the point-slope form of a line. The point-slope form of a line provides a formula that is useful in finding the slope of a line from an equation and a point the line passes through.

Sample Problems (5)

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Give the equation of a line with slope ½ that passes through (3,-2).

Problem 1
How to find the equation of a line in point-slope form given a point and the slope.

Give the equation of a line that passes through (3,1) and (-6,13).

Problem 2
How to find the equation of a line in point-slope form given two points.
Problem 3
Writing the equation of a line given two points, a vertical line, or a point and a line parallel
Problem 4
Common errors in writing the equation of a line parallel or perpendicular to a given line through a given point
Problem 5
Using a table of values to write the point-slope and slope-intercept form of a line.