Question

4)Which of the following is not a quadratic equation.

(a) x² + 3x – 5 = 0

(b) x² + x3 + 2 = 0

(c) 3 + x + x² = 0

(d) x² – 9 = 0
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Answer 1

Answer:

The equation which is not in the form of the standard 2-degree equation ax2+bx+c=0 where a≠0 are not a quadratic equation

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Answer 2

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All of these are Quadratic Equations

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