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Mathematics 14 Online
OpenStudy (anonymous):

Write the equation of the line which passes through (2, 1) and is perpendicular to x = –2.

OpenStudy (anonymous):

Any Help?

OpenStudy (anonymous):

When 2 lines are perpendicular, their slopes are negative reciprocal of each other. However, x=-2 is a vertical line and has no slope. So all we need is a line that passes (2,1) horizontally. A line would be y = 1.

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