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Mathematics 13 Online
OpenStudy (anonymous):

it is possible to get the slope of the equation (x=-8) ?

OpenStudy (anonymous):

No, since the line would be a vertical line at x=-8 the slope would be undefined.

OpenStudy (anonymous):

you can't get the slope, therefore it is undefined because you would be dividing by zero too find it

OpenStudy (akshay_budhkar):

yes exactly it is undefined or infinity as you know the slope is tanx where x is the angle and tan90=undefined or infinity..

OpenStudy (anonymous):

..really ? .thanks a lot ..

OpenStudy (anonymous):

If you pick any two points on the line (let's say \((-8, 5)\), and \((-8,10)\)), and use the slope formula on them, you'll end up with: \[m=\frac{y_2-y_1}{x_2-x_1}\]\[m=\frac{10-5}{-8+8}\]\[m=\frac{5}{0}\] which is not calculable

OpenStudy (anonymous):

The slope is not infinity, the slope is undefined.

OpenStudy (anonymous):

In fact if you were to say it was infinity you would need to choose a sign, which is impossible. So that certainly doesn't make sense.

OpenStudy (anonymous):

i said it wrong quite wrong there should be no inverse now i get it lol sorry i did that quite wrong

OpenStudy (anonymous):

it's just tan90 -> undefined sorry

OpenStudy (akshay_budhkar):

http://www.wolframalpha.com/input/?i=x%3D-8 check this also..... it will furnish you with all that you need

OpenStudy (anonymous):

hehe thanks

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