math

Consider the line 9x - 7y =4

What is the slope of a line parallel to this line?

What is the slope of a line perpendicular to this line?

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asked by joanna
  1. 9x - 7y =4
    -7y = -9x + 4
    y = 9x/7 - 4/7
    Slope of line parallel: 9/7
    Slope of line perpendicular: -7/9

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    posted by Kuai

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