Question

Find the requested value of the variable.
y varies directly as z^2. If y=512 when z=8, find y when z=4

Answer 1

\[y=k \times z\]
\[512=k \times 64\]
8=k
\[y=8 \times z\]
\[y=8\times 4\]
y=32

Answer 2

Thank you very much

Answer 3

You are welcome.