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anonymous

  • 5 years ago

find an equation of the mine containing (-3,2) and (3,1)

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  1. anonymous
    • 5 years ago
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    y=(1/6)x+(1/2)

  2. anonymous
    • 5 years ago
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    line*

  3. anonymous
    • 5 years ago
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    above answer is not the right one or what?

  4. anonymous
    • 5 years ago
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    (1-2)/(3-(-3)) = -1/6 This is the gradient, therefore we can say y = -1/6x +c Choose a coordinate pair (3,1) and put into the above equation y =1 and x = 3 so 1= -1/6(3) + c therefore 1 = -1/2 +c so we can deduce from this that c = 3/2 by adding 1/2 to both sides. Now the equation says this y = -1/2x + 3/2 ..and that is the answer.

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