PBTE | DAE | MATH-123 APPLIED MATHEMATICS-I | MCQs | Chapter : 01 Quadratic Equation

DAE MATH-123

Contents

1. Applied Mathematics-I
   1. Chapter 1 : Quadratic Equation
   2. Multiple Choice Questions
   3. Chapter:01 (Quadratic Equation)
   4. Question 1:
   5. Question 5:
   6. Question 6:
   7. Question 9:
   8. Question 10:
   9. Question 11:
   10. Question 12:
   11. Question 13:
   12. Question 19:
   13. Question 20:
2. Quiz Results

Applied Mathematics-I

Chapter 1 : Quadratic Equation

DAE Common Technologies | First Year

Multiple Choice Questions

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• Chapter 1 (Quadratic Equation)

Chapter:01 (Quadratic Equation)

Question 1:

The standard form of a quadratic equation is:

$a{x^2}+bx=0$ $a{x^2}=0$ $a{x^2}+bx+c=0$ $a{x^2}+c=0$

Question 5:

The quadratic formula is:

${\frac{-b\pm{\sqrt{{b^2}-4ac}}}{2a}}$ ${\frac{b\pm{\sqrt{{b^2}+4ac}}}{2a}}$ ${\frac{-b\pm{\sqrt{{b^2}-4ac}}}{2a}}$ ${\frac{-b\pm{\sqrt{{b^2}+4ac}}}{2a}}$

Question 6:

A second degree equation is known as:

Linear Quadratic Cubic None of these

Question 9:

$l{x^2}+mx+n=0$ will be a pure quadratic equation if:

l = 0 m = 0 n = 0 Both l, m = 0

Question 10:

If the discrimnant ${b^2}-4ac$ is negative, the roots are:

Real Rational Irrational Imaginary

Question 11:

If the discrimnant ${b^2}-4ac$ c is a perfect square, its roots will be:

Imaginary Rational Equal Irrational

Question 12:

The product of roots of $2{x^2}– 3x – 5 = 0$ is:

$-\frac{5}{2}$ $\frac{5}{2}$ $\frac{2}{5}$ $-\frac{2}{5}$

Question 13:

The sum of roots of $2{x^2}– 3x – 5 = 0$ is:

$-\frac{3}{2}$ $\frac{3}{2}$ $-\frac{2}{3}$ $\frac{2}{3}$

Question 19:

Sum of the roots of $a{x^2}– bx + c = 0$ is:

$-\frac{c}{a}$ $\frac{c}{a}$ $-\frac{b}{a}$ $\frac{b}{a}$

Question 20:

Product of roots of $a{x^2} + bx – c = 0$ is:

$\frac{c}{a}$ -$\frac{c}{a}$ $\frac{a}{b}$ -$\frac{a}{b}$

Quiz Results

Total Questions:

Correct Answers:

Incorrect Answers:

Percentage:

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INSTRUCTOR

MUHAMMAD BIN JAMEEL

BSC ENGG. CIVIL