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Solution


Q.

Basketball and soccer are both played with a spherical ball. Although athletes dribble the ball in both sports, a basketball player uses their hands, while a soccer player uses their feet.   of both the soccer ball and the basketball forms a parabola, representing a quadratic polynomial.

Based on the given information, answer the following questions:

 

(ii) For polynomial p(x) = ax² + bx + c, if the graph of the parabola opens upward, a will be
1 a > 1  
2 a > 0  
3 a < 0  
4 a > 2  

Ans.

(2)

a will be positive if the graph of the parabola opens upwards, i.e., a > 0