2 years ago

Identify the x- and y-intercepts for x=3.

Mathematics

1 answer:

amm18122 years ago

8 0

The answer is D, you don’t have enough information to find the y-int yet

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Answer:

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Step-by-step explanation:

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PLZZZZZZZZ HELP IM VERY STUCK ON THIS

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Answer:

B= 15 adults tickets

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Step-by-step explanation:

x+y=50

solve for y

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$~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill$

$\begin{cases} h=3\\ k=-7 \end{cases}\implies y=a(x-3)^2-7\qquad \textit{we also know that} \begin{cases} x=1\\ y=-10 \end{cases} \\\\\\ -10=a(1-3)^2-7\implies -3=a(-2)^2\implies -3=4a\implies -\cfrac{3}{4}=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=-\cfrac{3}{4}(x-3)^2-7~\hfill$

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1 year ago

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2 years ago