Practice Quadratic Formula (2.6.3) - Algebra - ICSE 11 Maths
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Quadratic Formula

Practice - Quadratic Formula

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Identify the coefficients in the quadratic equation 4x² + 7x - 3 = 0.

💡 Hint: Look for the values in front of x², x, and the constant.

Question 2 Easy

What is the quadratic formula?

💡 Hint: Remember, it’s used to find roots of quadratic equations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the quadratic formula help us find?

Roots of linear equations
Roots of quadratic equations
Roots of cubic equations

💡 Hint: Think about the degree of the polynomial.

Question 2

If the discriminant is negative, how many real solutions exist?

True
False

💡 Hint: Consider the nature of roots based on the discriminant.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Solve the quadratic equation 5x² - 20x + 15 = 0 and verify the results.

💡 Hint: Calculate the discriminant and apply the quadratic formula carefully.

Challenge 2 Hard

A quadratic polynomial has roots that are complex. If its equation is x² + 4x + 8 = 0, find the roots using the quadratic formula.

💡 Hint: Remember that a negative discriminant leads to complex roots.

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