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lorasvet [3.4K]
3 years ago
13

Find the value of the expression if x=9 and y=1 Xy^2/-5

Mathematics
1 answer:
lesantik [10]3 years ago
3 0

Answer:

-9/5

Step-by-step explanation:

Xy^2/-5 becomes (9)(1^2) / (-5) when x = 9 and y = 1.

This simplifies to -9/5

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\textit{horizontal parabola vertex form with focus point distance} \\\\ 4p(x- h)=(y- k)^2 \qquad \begin{cases} \stackrel{vertex}{(h,k)}\qquad \stackrel{focus~point}{(h+p,k)}\qquad \stackrel{directrix}{x=h-p}\\\\ p=\textit{distance from vertex to }\\ \qquad \textit{ focus or directrix}\\\\ \stackrel{"p"~is~negative}{op ens~\supset}\qquad \stackrel{"p"~is~positive}{op ens~\subset} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}

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