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Question

Graph of the quadratic equation ax2 + bx + c = 0 , with a < 0 , D > 0 is
 



Your Answer
A
Your Answer
B
Correct Answer
C
Your Answer
D

Solution

The correct option is A

In the equation ax2 + bx + c = 0 , a is the coefficient of x2. D is disriminant b2 – 4 ac. The value of coefficient of x2 decides whether the graph opens upwards or downwards. The value of discriminant decides the no. of roots of the quadratic equation. D > 0 implies two distinct roots, that is, two separate points of intersection of the curve with the x-axis.

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