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rockets31

  • 3 years ago

how would you find the slope of a line that is perpendicular to y=-3x+1; that passes through 2,2

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  1. GT
    • 3 years ago
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    Perpendicular lines have slopes that multiply to -1. The line y = -3x+1 has a slope of -3. So, a line perpendicular to it will have a slope of?

  2. rockets31
    • 3 years ago
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    oh ok 3 then thanks had a brain fart

  3. GT
    • 3 years ago
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    1/3

  4. GT
    • 3 years ago
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    1/3 * -3 = -1

  5. rockets31
    • 3 years ago
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    oh ok

  6. GT
    • 3 years ago
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    Let slopes of the lines be m1 and m2. When they are perpendicular, m1 * m2 = -1. In our case, you are given m1 = -3. Since -3 * m2 = -1, m2 = 1/3.

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