This is aptitude questions and answers section on Quadratic Equations with explanation for various interview, competitive examinations and entrance tests. Quadratic Equations Aptitude Questions is one of the most favorite topic of candidates who are preparing for a competitive exam. We are providing a Quadratic Equations Quiz Set so that people can practice more to get good marks in the Quadratic Equation Online Test. In this article, we almost cover quadratic equations solved problems and sample Quadratic Equation Aptitude questions for practice. Intenders must read the provided article to get an idea.

## Quadratic Equations Questions - Quadratic Equations Quiz Details

Practicing this Quadratic Equations Aptitude Quiz helps the individuals to speed up their performance at the time of facing the Quadratic Equations online exams. Furthermore, this Quadratic Equations Aptitude MCQ Online Test included in this post contains various types of questions. Preparing these questions will help the postulates in cracking the Quadratic Equations Aptitude Online Test quickly. To know furthermore info read an entire post.

### Quadratic Equations Aptitude Questions

The quadratic Equations Aptitude Questions quiz helps the candidates to speed up themselves at the time of actual examination. And also, the candidates should have basic knowledge of the Quadratic Equations topics. Facing this Quadratic Equations Online Test candidates can rate among themselves. Based on the candidate performance people will get the score. So while attempting the Quadratic Equations Aptitude MCQ, please concentrate on the exam and also do rough work to analyze the answer.
### Quadratic Equations Formula

1. The general quadratic equation is ax^{2}+bx+c=0.
### Quadratic Equations MCQ Quiz Answers With Solutions

For contenders convenience, we have framed the Quadratic Equations MCQ Quiz in this article. Our team had collected the Quadratic Equations Aptitude Questions from various sources and also keeping in mind previous year question papers we made this article. At the bottom of the post, people can obtain the Quadratic Equations Aptitude Questions and Answers in the detailed description. Contenders if fail to check answer don't worry allindiaexams.in team members are here to help those students. By clicking on the View Answer button candidates can see their Answer with detailed explanation. And also if people want to do rough work, those competitors can do that in the Workspace which is given beside the View Answer.

Online Test Name |
Quadratic Equations |

Exam Type |
Multiple Choice Questions |

Category |
Aptitude Quiz |

Number of Questions |
30 |

Practicing this Quadratic Equations Aptitude Quiz helps the individuals to speed up their performance at the time of facing the Quadratic Equations online exams. Furthermore, this Quadratic Equations Aptitude MCQ Online Test included in this post contains various types of questions. Preparing these questions will help the postulates in cracking the Quadratic Equations Aptitude Online Test quickly. To know furthermore info read an entire post.

1. Find the roots of the quadratic equation: x^{2} + 2x - 15 = 0?
### Answer & Explanation

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Answer: Option A

Explanation:

x^{2} + 5x - 3x - 15 = 0

x(x + 5) - 3(x + 5) = 0

(x - 3)(x + 5) = 0

=> x = 3 or x = -5.

2. Find the roots of the quadratic equation: 2x^{2} + 3x - 9 = 0?
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Answer: Option B

Explanation:

2x^{2} + 6x - 3x - 9 = 0

2x(x + 3) - 3(x + 3) = 0

(x + 3)(2x - 3) = 0

=> x = -3 or x = 3/2.

3. The roots of the equation 3x^{2} - 12x + 10 = 0 are?
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Answer: Option D

Explanation:

The discriminant of the quadratic equation is (-12)^{2} - 4(3)(10) i.e., 24. As this is positive but not a perfect square, the roots are irrational and unequal.

4. If the roots of a quadratic equation are 20 and -7, then find the equation?
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Answer: Option C

Explanation:

Any quadratic equation is of the form

x^{2} - (sum of the roots)x + (product of the roots) = 0 ---- (1)

where x is a real variable. As sum of the roots is 13 and product of the roots is -140, the quadratic equation with roots as 20 and -7 is: x^{2} - 13x - 140 = 0.

5. The sum and the product of the roots of the quadratic equation x^{2} + 20x + 3 = 0 are?
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Answer: Option E

Explanation:

Sum of the roots and the product of the roots are -20 and 3 respectively.