Evaluate the following for the given values. 7xy - y + x - 1 for x = -2 and y = -1

Mathematics

1 answer:

BigorU [14]2 years ago

8 0

Heyo! ;D

After evaluating the given expression, the result would be 14 - x.

Hope this helped you! If so, please lmk! Tysm and good luck!

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Step-by-step explanation:

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$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{f(x)}{y}=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=-18\\
x=3
\end{cases}\implies -18=k3
\\\\\\
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