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{\bf Math 225 : Quiz\hfill Sept. 9, 1991}

Show your work on a blank sheet of paper with your name and date at the top
(no torn edges).  Circle your final answer. You may use a calculator.

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1. Find the parametric equations of the line through the points $(-1,2,0)$ and $(4,1,-3)$.

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2. Find the equation of the plane through the points $(2,1,1)$, $(1,2,1)$, and $(1,1,2)$.

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