Solving Quadratic Equations Quiz - CBSE Class 10 Mathematics

Free practice quiz: Solving Quadratic Equations (CBSE Class 10 Mathematics). 15 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the solution to the quadratic equation x² - 5x + 6 = 0?

   1. x = 2, 3
   2. x = -2, -3
   3. x = 0, 6
   4. x = 1, 6
   Show answer

   Answer: A. x = 2, 3

2. What is the vertex form of the equation y = x² + 6x + 5?

   1. y = (x + 3)² - 4
   2. y = (x - 3)² + 4
   3. y = (x + 3)² + 4
   4. y = (x + 2)² + 1
   Show answer

   Answer: A. y = (x + 3)² - 4

3. For which value of k does the equation x² + kx + 9 = 0 have one solution?

   1. 9
   2. 6
   3. 0
   4. -6
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   Answer: D. -6

4. What is the product of the roots of the equation x² - 10x + 21 = 0?

   1. 21
   2. 10
   3. 1
   4. 0
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   Answer: A. 21

5. Which of the following statements is true about the roots of the equation x² + 2x + 5 = 0?

   1. They are real
   2. They are complex
   3. They are integers
   4. They are negatives
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   Answer: B. They are complex

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