Quadratic Equations MCQs
Q1. Which is a quadratic equation?
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Correct: B
Quadratic has highest power 2.
Q2. Degree of x^2 + 4x + 4 is:
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Correct: B
Highest power is 2.
Q3. If (x - 2)(x - 3) = 0, then x equals:
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Correct: A
Zero product property: either factor can be zero.
Q4. Roots of x^2 - 9 = 0 are:
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Correct: B
x^2 = 9 ⇒ x = ±3.
Q5. In ax^2 + bx + c = 0, the coefficient of x is:
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Correct: B
bx term means coefficient is b.