Is my teacher's answer key wrong?

Thread starter PsychonautQQ
Start date Nov 11, 2013

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PsychonautQQ

Thread starter
Nov 11, 2013

Homework Statement

Find the volume of the space bounded by z=x x^2+y^2=9 and below by the xy plane. I did this and got 9 and so did my group mate, but the answer key (which is often wrong) says 18. Can someone check this? we're trying to study for our test tomorrow :X

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haruspex

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Insights Author

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Nov 11, 2013

I agree with 18. Pls post your working.

Mark44

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Insights Author

Nov 11, 2013

Ditto on 18.

Is my teacher's answer key wrong?

Homework Statement

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Is my teacher's answer key wrong?

Homework Statement

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