3 years ago

The addtive inverse of the complex number (4_7)

Mathematics

1 answer:

Nady [450]3 years ago

6 0

ANSWER

My answer is in the photo above

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Which function has a vertex at the origin?<br> Help

kari74 [83]

Answer:

Option D

Step-by-step explanation:

y=-x²

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Let's verify

Put (0,0)

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Hence verified

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3 years ago

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Rzqust [24]

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Step-by-step explanation:

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3 years ago

The graph of a proportional relationship contains the point (8, 4).

Softa [21]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
(\stackrel{x}{8}~~,~~\stackrel{y}{4})\implies 
\begin{cases}
x=8\\
y=4
\end{cases}\implies 4=k8\implies \cfrac{4}{8}=k\implies \cfrac{1}{2}=k
\\\\\\
\boxed{y=\cfrac{1}{2}x}$

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3 years ago