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dquinao

  • 3 years ago

which of the following pairs of lines are neither parallel nor perpendicular? a. x-2y=7 and 3x-6y=13 b. x-2y=7 and 2x+y =9 c. x-2y =7 and 2x-4y =5 d.x-2y=7 and x+2y =7

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  1. whpalmer4
    • 3 years ago
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    If the lines are parallel, their slopes will be identical. If the lines are perpendicular, the product of their slopes will be -1. Rearrange each equation into slope-intercept form: \(y=mx+b\) where \(m\) is the slope. You can compare the slopes after doing that.

  2. dquinao
    • 3 years ago
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    @whpalmer4 is the answer is b?

  3. whpalmer4
    • 3 years ago
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    What leads you to that conclusion?

  4. whpalmer4
    • 3 years ago
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    What are the slopes you got for the lines x-2y=7 and 2x+y=9?

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