CAT Exam > CAT Videos > Crash Course for CAT > Quadratic Equations : Algebra
Quadratic Equations : Algebra Video Lecture | Crash Course for CAT
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FAQs on Quadratic Equations : Algebra Video Lecture - Crash Course for CAT
| 1. What is a quadratic equation? |  |
Ans. A quadratic equation is a second-degree polynomial equation in the form of ax^2 + bx + c = 0, where a, b, and c are constants with a not equal to 0.
| 2. How do you solve a quadratic equation? | |
Ans. Quadratic equations can be solved using various methods such as factoring, completing the square, or using the quadratic formula x = (-b ± √(b^2 - 4ac)) / 2a.
| 3. What is the discriminant of a quadratic equation? | |
Ans. The discriminant of a quadratic equation is the part of the quadratic formula under the square root sign, which is b^2 - 4ac. It determines the nature of the roots of the quadratic equation.
| 4. How many solutions can a quadratic equation have? | |
Ans. A quadratic equation can have two real solutions, one real solution, or two complex solutions depending on the value of the discriminant.
| 5. Can a quadratic equation have only one solution? | |
Ans. Yes, a quadratic equation can have only one solution if the discriminant is equal to 0, resulting in repeated or equal roots.
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Dec 23, 2024 Last updated |
Video Description: Quadratic Equations : Algebra for CAT 2024 is part of Crash Course for CAT preparation.
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