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Mathematics 7 Online
OpenStudy (iwanttogotostanford):

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OpenStudy (iwanttogotostanford):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

set the denominator x^2 - 4 equal to 0 and solve for x

OpenStudy (iwanttogotostanford):

i don't know how to do that:-(

jimthompson5910 (jim_thompson5910):

hint: x^2 - 4 factors to (x-2)(x+2)

jimthompson5910 (jim_thompson5910):

(x-2)(x+2) = 0 breaks down into x-2 = 0 OR x+2 = 0 solve each for x

OpenStudy (iwanttogotostanford):

can you do this one like the others before, I'm not being lazy but really that helps me learn the best when i see the whole process as a whole first

jimthompson5910 (jim_thompson5910):

you should give it a shot

jimthompson5910 (jim_thompson5910):

it's ok to get it wrong

OpenStudy (iwanttogotostanford):

ok hold on ill try

OpenStudy (iwanttogotostanford):

so x=2 andx=-2

jimthompson5910 (jim_thompson5910):

Here's a similar example Let's say the denominator was x^2 - 9. Set it equal to 0 and solve for x x^2 - 9 = 0 (x-3)(x+3) = 0 x-3 = 0 or x+3 = 0 x = 3 or x = -3 So the vertical asymptotes in this example are x = 3 or x = -3. This is not the answer to your question

jimthompson5910 (jim_thompson5910):

`so x=2 andx=-2` yes those are the correct answers to your problem

OpenStudy (iwanttogotostanford):

ah wow that was quite simple thanks! Promise, one more? And then I'm done haha!

jimthompson5910 (jim_thompson5910):

go ahead

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