\[\begin{aligned}
y[Joule] &= 1000x[Kilojoule] \\
y[gram\text{-}calorie] &= 239.006x \\
y[Kilocalorie] &= 0.239006x \\
y[Watt\ hour] &= 0.277778x \\
y[Kilowatt\ hour] &= 0.000277778x \\
y[Electronvolt] &= 6.242 \times 10^{21}x \\
y[British\ thermal\ unit] &= 0.947817x \\
y[US\ therm] &= 9.4804 \times 10^{-6}x \\
y[foot\ pound] &= 737.562x
\end{aligned}\]
Variables
yVariable dependiente
xVariable independiente