Practice problem
Which of the following are differential equations?
dydx=3x+5\frac{dy}{dx} = 3x+5dxdy=3x+5
dydx=y\frac{dy}{dx} = ydxdy=y
y=2t2+dydty = 2t^2 + \frac{dy}{dt}y=2t2+dtdy
d2ydt2=3y2−dydt\frac{d^2y}{dt^2} = 3y^2 - \frac{dy}{dt}dt2d2y=3y2−dtdy
y=2xy−xy = 2xy - xy=2xy−x
Type a concept, like “slope” or “photosynthesis”.