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Mathematics 19 Online
OpenStudy (jravenv):

Help me please screencap in comments. best answer rewarded

OpenStudy (jravenv):

OpenStudy (kc_kennylau):

\[\Large\frac{x-7}{x+9}\]

OpenStudy (anonymous):

x=-9

OpenStudy (kc_kennylau):

So, in a fraction, the denominator can't be?

OpenStudy (jravenv):

negative right?

OpenStudy (kc_kennylau):

noooo

OpenStudy (kc_kennylau):

The denominator can't be zero :p

OpenStudy (jravenv):

OH duh

OpenStudy (kc_kennylau):

So can you see why x=-9 now?

OpenStudy (jravenv):

Yes thank you!

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