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What is the equation of the line that goes through (-1,-1) and is perpendicular was to y=5x+3
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What is the equation of the line that goes through (-1,-1) and is perpendicular was to y=5x+3

User Fathima
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y + 1 = - 1/5 (x + 1)

You can use the point-slope form (y - y1 = m(x - x1) by placing the x and y of the point plus the opposite reciprocal of the slope you can easily find that the two lines are perpendicular.
User Yorjo
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