Which of the following best describes the graph of any quadratic function $y=a{x}^2+bx+c$, with $a\ne 0$?

• A. A straight line that passes through the origin
• B. A U-shaped curve, known as a parabola
• C. A circle with its center at $(b,c)$
• D. A V-shaped curve with a sharp point, called the vertex

Answer: (B)