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Snezhnost [94]
4 years ago
10

Does 4x+5y=0 represent a direct variation ?

Mathematics
2 answers:
omeli [17]4 years ago
7 0

4x+5y=0

subtract 4x from each side

5y = -4x

divide by 5

y = -4/5 x

y = kx where k = -4/5

this is a direction variation

trapecia [35]4 years ago
6 0

\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} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ 4x+5y=0\implies 5y=-4x\implies y=-\cfrac{4}{5}x\qquad \boxed{k=-\cfrac{4}{5}}\qquad \text{\Large\checkmark}

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xz_007 [3.2K]

Answer:x=−24/11

Step-by-step explanation:

Simplifies to:

x−86x=79

Let's solve your equation step-by-step.

x−86x=79

Step 1: Cross-multiply.

x−86x=79

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