“Quadratic Equations Part 4 | MCQs, Worksheet & Test (Complete Guide)”

🧠 1. Important MCQs (Exam Practice)

Q1. Number of roots of $x^2 – 4x + 4 = 0$
A) 2 distinct
B) 1
C) 0
D) 3

✔️ Answer: B (1 root)

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Q2. If $D < 0$, roots are:
A) Real
B) Equal
C) Imaginary
D) Rational

✔️ Answer: C (Imaginary)

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Q3. Find roots of $x^2 – 9 = 0$
A) 3, -3
B) 9, -9
C) 0, 9
D) 1, -1

✔️ Answer: A (3, -3)

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✍️ 2. Short Answer Questions

1. Solve: $x^2 + 6x + 9 = 0$
2. Find discriminant of $x^2 + 2x + 3 = 0$
3. Form equation with roots 5 and 2

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📄 3. Worksheet (For Students / Blog Download)

👉 Practice Set:

• $x^2 + 7x + 12 = 0$
• $x^2 – 8x + 15 = 0$
• $2x^2 + 3x – 2 = 0$
• $x^2 + x + 1 = 0$

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📝 4. Mini Test

Section A (MCQ)

1. $x^2 + 5x + 6 = 0$ roots?

Section B (Solve)
2. $x^2 – 3x – 4 = 0$

Section C (Concept)
3. What is discriminant?

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📊 Key Formula Revision:

$x = \frac{-b \pm \sqrt{b^2 – 4ac}}{2a}$

Practice quadratic equations with MCQs, worksheets, and tests. Perfect revision guide for student.

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