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\textbf{Math 225: Calculus III}
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\textbf{Quiz 2}\quad \textsl{September 11, 2003}
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1. Find the parametric equations of the line through the
point $(-1,3,7)$ perpendicular to the plane defined by $z=5+2x-y$.

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2. The line $L_1$ given by $x = 1+t$, $y=1+2t$, $z = 1+3t$ intersects the
line $L_2$ given by $x = t$, $y = 2 - t$, $z = 5 - 4t$ at the point
$(1,1,1)$. Find the equation of the plane that contains the two lines
$L_1$ and~$L_2$.

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