Category: Quadratic Equation

Quadratic Equation-1

First-year pre-engineering mathematics multiple choice questions online examination. MCQSa bout Quadratic equation-1 online examination. MCQs about two-degree equations,

First-year (Intermediate) Pre-Engineering mathematics examination preparation.
Pakistan All boards Pre-Engineering Mathematics MCQs Online Test

1. The product of all four fourth roots of 81 is

 
 
 
 

2. The equation which remains unchanged if $x$ is replaced by $\frac{1}{x}$, then it is called

 
 
 
 

3. $16\omega^4 + 16 \omega^8$

 
 
 
 

4. The equation in which variable quantity occurs in exponent is called

 
 
 
 

5. The cube roots of $-1$ are

 
 
 
 

6. The roots which satisfy radical free equation but not radical equation are called

 
 
 
 

7. The equations involving radical expressions of the variable are called

 
 
 
 

8. Sum of all cube roots of 64 is

 
 
 
 

9. The complex cube roots of unit are ______________ each other

 
 
 
 

10. The cube roots of unity are

 
 
 
 

11. Product of all cube roots of $-1$ is

 
 
 
 

12. The quadratic formula for solving the equation $ax^2 + bx + c =0$ is $(a\ne 0)$

 
 
 
 

13. The sum of all four fourth roots are 16 is

 
 
 
 

14. To convert $ 4^{1+x} + 4^{1-x} =10$ into quadratic, the substitution is

 
 
 
 

15. Solution set of the equation $x^2 – 4x + 4 = 0$ is

 
 
 
 

16. The equation $ax^2 + bx + 9 =0$ will be quadratic if

 
 
 
 

17. The sum of all four fourth roots of unity is

 
 
 
 

18. The convert $ax^{2n} + bx^n + c =0 (a\ne 0) $ into quadratic form, the correction substitution

 
 
 
 

19. $(-1 + \sqrt{-3})^5 + (-1 – \sqrt{-3})^5$ is equal to

 
 
 
 

20. The product of all four fourth roots of unity is

 
 
 
 

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