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If y varies directly as x, what is the value of y in these ordered pairs? (4, 16) and (2, y)

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I need some help with algebra 2 can anyone answer this problem and show the steps?

solving-equations
direct-variation

asked Mar 4, 2014 in ALGEBRA 2 by payton Apprentice

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1 Answer

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y varies directly as x

means,

----->(1)

The ordered pairs are

Substitute the ordered pair in (1)

Divide each side by 4

Substitute the ordered pair and in (1)

The value of .

answered Mar 4, 2014 by dozey Mentor

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