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Line qq has a slope of 74\frac{7}{4}. Line rr is perpendicular to qq. What is the slope of line rr? \newlineSimplify your answer and write it as a proper fraction, improper fraction, or integer.\newline_____

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Slopes of parallel and perpendicular linesright chevron icon

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Q. Line qq has a slope of 74\frac{7}{4}. Line rr is perpendicular to qq. What is the slope of line rr? \newlineSimplify your answer and write it as a proper fraction, improper fraction, or integer.\newline_____
  1. Line q slope: Line qq slope: 74\frac{7}{4}. Perpendicular line rr slope? Opposite reciprocal needed.
  2. Perpendicular line r slope: Reciprocal of 74\frac{7}{4} is 47\frac{4}{7}. Now take the opposite.
  3. Reciprocal and opposite: Slope of line rr: −47-\frac{4}{7}. Done!

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