Practice Quadratic Formula (2.3) - Quadratic Equations - IB 10 Mathematics – Group 5, Algebra
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Quadratic Formula

Practice - Quadratic Formula

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the quadratic formula?

💡 Hint: Remember the terms under the square root!

Question 2 Easy

What does the discriminant tell us?

💡 Hint: Remember the different conditions: D > 0, D = 0, D < 0.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the quadratic formula?

x = (-b ± √(b² - 4ac)) / (2a)
x = (b ± √(b² - 4ac)) / (a)
x = (b² ± 4ac) / (-a)

💡 Hint: Look for the standard expression involving a, b, and c.

Question 2

True or False: The discriminant can be negative, indicating complex roots.

True
False

💡 Hint: Remember what happens in the square root for negative values.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A quadratic equation is given as x² + 6x + 9 = 0. Determine the roots and describe their nature.

💡 Hint: Start with computing the discriminant.

Challenge 2 Hard

Find the quadratic equation if the roots are 1 and -4. Form the equation using the roots method.

💡 Hint: Use the sum (1 + (-4) = -3) and product (1 * -4 = -4) of the roots to form the equation.

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