Practice Sum and Product of Roots - 2.7.1 | 2. Algebra | ICSE Class 11 Maths
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Find the sum of roots for the polynomial x² - 5x + 6.

💡 Hint: Use the formula -b/a.

Question 2

Easy

What is the product of roots for the polynomial 4x² + 8x + 3?

💡 Hint: Remember to use c/a.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the formula for the sum of roots in a quadratic equation?

  • α + β = -b/a
  • α + β = c/a
  • α + β = 0

💡 Hint: Think about how the coefficients are related to the roots.

Question 2

The product of the roots for the polynomial 6x² + 11x - 10 is?

  • -10/6
  • 10/6
  • 5/3

💡 Hint: Use c and a values from the polynomial to find the answer.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Determine the values of k for the quadratic polynomial kx² + 3kx - 5 = 0 such that the sum of the roots equals 3.

💡 Hint: Use sum of roots to frame the equation involving k.

Question 2

Prove that for the polynomial x² - 4x + 4 = 0, both roots are equal and explain how the relationships hold.

💡 Hint: Factor it and show the outcomes explicitly.

Challenge and get performance evaluation