Question

in the equation ax² + bx + c = 0 which of the following cannot be equal to zero for the equation to be quadratic?
a.a
b.b
c.c
d.a,b and c​

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

In the equation ax² + bx + c = 0 which of the following cannot be equal to zero for the equation to be quadratic

a. a

b. b

c. c

d. a , b and c

EVALUATION

Here the given equation is

ax² + bx + c = 0

Since the equation is quadratic

So the highest power of its variable that appears with nonzero coefficient is 2

⇒ Coefficient of x² ≠ 0

⇒ a ≠ 0

Hence a cannot be equal to zero

FINAL ANSWER

Hence the correct option is a. a

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