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# Reduce the equation to one of the standard forms, classify the surface, and sketch it.$y^2 = x^2 + 4z^2 + 4$

## hyperboloid of two sheets

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All right. So you want to like the standard form of this education? So we just pulled the wide spread to the other side. So then this becomes success square Plus four G sq minus y squared request to minus 40 can do like this. Success square minus pi square last four G square is equal to minus. So this is x squared minus y squared. I was just gratified by one of our four, which is one decision. So one it's minus four. And this is a hyperbolic side doorstops And just like the following. So at the center of 000.

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