wiz-icon
MyQuestionIcon
MyQuestionIcon
23
You visited us 23 times! Enjoying our articles? Unlock Full Access!
Question

The parabola representing a quadratic polynomial f(x) = ax2 + bx + c opens downward when __________.

Open in App
Solution

Let f(x) = ax2 + bx + c

When a > 0, the parabola representing f(x) opens upward.
​When a < 0, the parabola representing f(x) opens downward.

Hence, the parabola representing a quadratic polynomial f(x) = ax2 + bx + c opens downward when a is negative.

flag
Suggest Corrections
thumbs-up
15
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Extrema
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon