Advertisements
Advertisements
प्रश्न
The parabola representing a quadratic polynomial f(x) = ax2 + bx + c opens downward when ______.
रिकाम्या जागा भरा
Advertisements
उत्तर
The parabola representing a quadratic polynomial f(x) = ax2 + bx + c opens downward when a < 0.
Explanation:
The sign of the leading coefficient a determines the concavity; if a is negative then f''(x) = 2a < 0, so the graph is concave down and the vertex is a maximum.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
