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Mathematics 14 Online
OpenStudy (anonymous):

Choose the equation of the line passing through the point (-2, 4) and perpendicular to y = -one halfx + 4.

OpenStudy (espex):

You start this problem by remembering that the slope of a line is the negative inverse of the line it is perpendicular to. Meaning, a line with a slope -1/3 is perpendicular to a line with a slope of 3. With this knowledge, and the points and equation given, you can easily find the equation you're looking for.

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