Asked by Marianne

When x is 0 for the equation y=10/x, y is obviously 0. How can i explain why this happens in words? and i know that division is finding how many times one number is contained in another. Is it 10 goes into 0, 0 times or 0 goes into 10, 10 times?
Answered by drwls

When x is 0 for the equation y = 10/x, y is NOT 0.
It is infinity.

0 goes into 10 an infinite number of itmes. Nothing gets taken away.
Answered by Marianne
oh infinity?

or is it undefined?
Answered by drwls
Same thing. Math teachers like to say "undefined".

Graph the function and you will see what happens when x approaches zero. It (10/x) goes "off the page" and approaches infinity
Answered by Marianne
oh i see!
thank you very much
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