Question

2. The graph of parabola opens downwards, if _______

a) a ≥ 0

b) a = 0

c) a < 0

d) a > 0​

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

The graph of parabola opens downwards, if ___

a) a ≥ 0

b) a = 0

c) a < 0

d) a > 0

EVALUATION

The The equation of a parabola

y = ax² + bx + c

Now the parabola is

Opens upwards if coefficient of x² > 0

Opens downwards if coefficient of x² < 0

Now coefficient of x² = a

Thus the parabola is

Opens upwards if a > 0

Opens downwards if a < 0

FINAL ANSWER

Hence the correct option is c) a < 0

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Answer 2

Answer:

Answer :- c

hope it helps u