Ro0LoriccautGeekadh Ro0LoriccautGeekadh

11-11-2016
Mathematics

Answered

Variable y varies directly with x2, and y = 96 when x = 4.

What is the value of y when x = 2?

y=??"

Verified Answer :

alsteva alsteva

16-11-2016

Correct answer is 24.

\(y=cx^2 \\ \\96=c \times 4^2 \\96=c \times 16 \\c= \frac{96}{16} \\c=6 \\ \\y=cx^2=6 \times 2^2=6 \times 4=24\)

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