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anonymous

  • one year ago

Help please! What is the equation of the line described below written in slope-intercept form? The line passing through point (4, -1) and perpendicular to the line whose equation is 2x - y - 7 = 0 a) y = -x + 1 b) y = x - 1 c) y = 2x + 1

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  1. anonymous
    • one year ago
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    here maybe this will help.. http://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.822233.html

  2. anonymous
    • one year ago
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    kinda..? confused me a bit..

  3. anonymous
    • one year ago
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    Okay so what you need to do first is to solve for y. To do this you must isolate the variable by adding 7 and subtracting 2x from both sides. You will end up with -y=-2x+7 Multiply both sides by -1 to isolate y y=2x-7 In order to have an equation be perpendicular to another you need to have the negative inverse of the other slope. y=-1/2x +1 I assume you forgot to paste 'd' because there is not the correct answer here.

  4. anonymous
    • one year ago
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    there is no "d" just a, b, and c

  5. anonymous
    • one year ago
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    The question is messed up. You can see yourself by plugging in '4' for every x and seeing that none of them equal -1.

  6. anonymous
    • one year ago
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    Dd you mistype a?

  7. anonymous
    • one year ago
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    I didnt mistype anything, I copied and pasted it

  8. anonymous
    • one year ago
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    that's something you don't want to say... is this a quiz?

  9. anonymous
    • one year ago
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    No, its an assignment. it doesn't matter if i copied and pasted it, I'm home-schooled

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