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i need some help with algebra 2 medal for best answer.
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I'm in algebra 1, but i'll do what i can.
im in connexus and need lesson 8 unit 1
Can u show the prob?
find any points of discontinuity for the rational function. y=x-8/x^2+6x-7
hello?
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@SiennaSurfer
whats the question ?
find any points of discontinuity for the rational function. y=x-8/x^2+6x-7
find the roots of denominator
idk how to do that...
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:-( hello?
ok my net was in problem now lets find roots x^2+6x-7 =0 (x+7)(x-1)=0 because -1+7=6 -1 *6=-7 can you go on ?
x-8 y=---------- (x+7)(x-1)
so x=-7 , +1 points of discontinuity
so the 7 is negative?
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(x+7)(x-1) =x^2 +(7-1)x +(-1)(7) =x^2+6x -7
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