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 sum of all four fourth roots of unity is


2. $16\omega^4 + 16 \omega^8$


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


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


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


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


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


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


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


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


11. The cube roots of unity are


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


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


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


15. Sum of all cube roots of 64 is


16. $(-1 + \sqrt{-3})^5 + (-1 – \sqrt{-3})^5$ is equal to


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


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


19. The cube roots of $-1$ are


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


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