Quadratic Equations

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Quadratic Equations Revision Questions

1. . The constant of the quadratic equation 3x² - 2x = 6 is ...

1. 0
2. 6
3. -6
4. 2

Reveal AnswerCorrect Answer: C

2. . Which is true for the equation x² - 2x - 5 = 0.

1. a = 1; b = 2; c = 5
2. a = -2; b = 1; c = -5
3. a = 1; b = -2; c = 5
4. a = 1; b = -2; c = -5

Reveal AnswerCorrect Answer: D

3. . Which of the following is a root of the quadratic equation 2x² - 5x + 2 = 0?

1. 1
2. 2
3. 3
4. 4

Reveal AnswerCorrect Answer: B

4. . Which of the following numbers is the smallest root of the quadratic equation 4x² + 8x - 1 = - 1?

1. 2
2. 1/2
3. 0
4. -2

Reveal AnswerCorrect Answer: D

5. . What is the factorized form of the quadratic equation 3x - 2x² = 0?

1. x(3x - 2) = 0
2. 3x(x - 2) = 0
3. x(3 - 2x) = 0
4. 2x(3 - x) = 0

Reveal AnswerCorrect Answer: C

6. . What is the factorized form of the quadratic equation x² - x - 6 = 0?

1. (x - 2)(x - 3) = 0
2. (x - 2)(x + 3) = 0
3. (x + 2)(x + 3) = 0
4. (x + 2)(x - 3) = 0

Reveal AnswerCorrect Answer: D

7. . What is the regular form of the quadratic equation (3x - 2)(x - 4) = 0?

1. 3x² - 14x + 8 = 0
2. 3x² - 6x + 8 = 0
3. 3x² - 14x + 6 = 0
4. x² - 6x + 6 = 0

Reveal AnswerCorrect Answer: A

8. . What is the new form of the quadratic equation x² + 4x - 3 = 0 after completing the square?

1. (x - 2)² - 7 = 0
2. (x - 2)² + 1 = 0
3. (x + 2)² - 7 = 0
4. (x + 2)² + 1 = 0

Reveal AnswerCorrect Answer: C

9. . One of the roots of the quadratic equation (x - m)² - 1 = 0 is x = 3. What is the other root of this equation?

1. x = 0
2. x = 1
3. x = 2
4. x = -1

Reveal AnswerCorrect Answer: B

10. . What are the roots of the quadratic equation (x - 4)² - 9 = 0?

1. x = 5 and x = 13
2. x = 1 and x = 7
3. x = -1 and x = 13
4. x = 7 and x = 13

Reveal AnswerCorrect Answer: B

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1. Practice Questions Feedback. Helps other - Leave a rating for this practice questions (see below)
2. Equations Math tutorial: Quadratic Equations. Read the Quadratic Equations math tutorial and build your math knowledge of Equations
3. Equations Video tutorial: Quadratic Equations. Watch or listen to the Quadratic Equations video tutorial, a useful way to help you revise when travelling to and from school/college
4. Equations Revision Notes: Quadratic Equations. Print the notes so you can revise the key points covered in the math tutorial for Quadratic Equations
5. Check your calculations for Equations questions with our excellent Equations calculators which contain full equations and calculations clearly displayed line by line. See the Equations Calculators by iCalculator™ below.
6. Continuing learning equations - read our next math tutorial: The Quadratic Formula

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Equations Calculators by iCalculator™

• Completing The Square In Quadratics Calculator
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• First Order Equations With Two Variables Calculator
• Solving Quadratics Through The Quadratic Formula
• Solving Systems Of Linear Equations With The Substituting Method Calculator
• Solving Systems With One Linear And One Quadratic Equation Calculator