Intersecting Lines Using Slope-Intercept Form

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Two straight lines intersect at a point unless they have the same slope.

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In slope-intercept form, the equation of a line is given by , where is the slope and is the intercept. If two lines are both given in slope-intercept form, you can find their point of intersection by solving the simultaneous equations

;

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Contributed by: Jeff Bryant (March 2011)
Open content licensed under CC BY-NC-SA


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