New Zealand

Level 7 - NCEA Level 2

If $\left(4,512\right)$(4,512) is on the curve, $P=kQ^4$`P`=`k``Q`4, solve for $k$`k`.

Easy

Approx 2 minutes

If $\left(10,15\right)$(10,15) is on the curve $P=\frac{k}{Q}$`P`=`k``Q`, solve for $k$`k`.

A variable $M$`M` is directly proportional to the square of $N$`N`.

In exchange rate calculations the constant of proportionality is the exchange rate itself. Determine the exchange rate $k$`k` if I can purchase:

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