Question

The possible graph for $y=a{x}^2+bx+c$ if $a>0$ and $D>0$ is/are ?

• A.
• B.
• C.
• D.

Answer 1

Answer: (A), (B)

For $a>0$ parabola will be upward opening parabola.
And $D>0\Rightarrow$ Two real and distinct roots, then curve must intersect the $x$-axis at two different points.