Quadratic graph lines are U- or Ո-shaped, which is called a parabola. A linear graph can be drawn using only three points. A quadratic graph is a curve, so more points are plotted to support accuracy.

Trucks That Owners Say They Regret Buying After Just Three Years U.S. Issues New Travel Warning as Disease Spreads Here's the latest in the labour dispute between Air Canada and its flight attendants ...