What is the equation for y is proportional to x
y=kx
What is the equation for y is inversely proportional to x
y=k/x
What is the equation for y is proportional to the square of x
y=kx²
What is the equation for t is proportional to the √ of h
t=k√h
What is the equation for V is inversely proportional to r cubed
V=k/r³