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anonymous

  • 5 years ago

determine whether the graphs of the equations are perpendicular 4x-3y=2 and 4y-3x=5

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  1. anonymous
    • 5 years ago
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    determine whether the graphs of the equations are perpendicular 4x-3y=2 and 4y-3x=5

  2. anonymous
    • 5 years ago
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    get both in y=mx +b form , then find the gradients

  3. anonymous
    • 5 years ago
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    first one y= (2-4x) / -3 , so the gradient is -4/-3 = 4/3 second one, y= (5+3x) / 4 , so the gradient is 3/4

  4. anonymous
    • 5 years ago
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    for these to be perpendicular we need the product of the gradient to be -1. In this case the product of the graident is +1 , so they are not perpendiculat

  5. anonymous
    • 5 years ago
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    perpendicular*

  6. anonymous
    • 5 years ago
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    thanks elecengineer i appreciate you

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