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 cube roots of unity are


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


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


4. $(-1 + \sqrt{-3})^5 + (-1 – \sqrt{-3})^5$ is equal to


5. Sum of all cube roots of 64 is


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


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


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


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


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


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


12. $16\omega^4 + 16 \omega^8$


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


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


15. The cube roots of $-1$ are


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


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


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


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


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


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