1st Year Math Chapter 4 Quadratic Equations MCQs With Answers

If you are preparing for the entry test and looking for 1st Year Math Chapter 4 Quadratic Equations MCQs With Answers then this is the right place. Here you can get the important MCQs of this chapter. In this chapter, there are some important concepts including Quadratic equations and their solutions, three cube roots of unity, fourth roots of unity, polynomial functions, synthetic division, roots and coefficients of quadratic equations, and formation of equations whose roots are given. Then there are some more concepts including the nature of the roots of quadratic equations, the system of two equations, and problems with quadratic equations. So, you will find 1st Year Mathematics MCQs of these concepts here. Here below, a quiz is given. Solve this quiz and at the end, check the answers. Scroll down and check the MCQs.

1st Year Math Chapter 4 Quadratic Equations MCQs With Answers

1014

Math Chapter 4

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

A) original roots

B) Extraneous roots

C) radical roots

D) exact roots

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2. The complex cube roots of unity are___ each other.

A) Additive inverse of

B) Equal to each other

C) Conjugate of each other

D) None of these

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3. If discriminant is zero, then roots are

A) Real & equal

B) Real & distinct

C) none of these

D) Rational & unequal

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4. If the discriminant is negative, then roots are

A) Real & distinct

B) Imaginary & distinct

C) irrational and distinct

D) Rational & distinct

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5. The sum of all four fourth roots is 16 is:

A) - 16

B) 0

C) 16

D) 1

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6. The roots of ax^2 +bx+ c = 0 are imaginary, if:

A) b^2- 4ac < 0

B) b^2- 4ac != 0

C) b^2- 4ac > 0

D) b^2- 4ac = 0

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7. The complex cube roots of unity are____ each other.

A) all of these

B) Reciprocal of each other

C) Square of each other

D) Multiplicative inverse of each other

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8. If roots of ax^2 + bx+ c = 0, (a != 0 ) are real, then

A) b^2- 4ac <= O

B) b^2- 4ac != 0

C) b^2- 4ac >=0

D) b^2-4ac < 0

9 / 20

9. The Product of all four fourth roots of 81 is

A) -81

B) 81

C) 0

D) 1

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

A) Exponential equation

B) Exponential function

C) Reciprocal equation

D) quadratic equation

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

A) None

B) 0

C) 1

D) -1

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

A) unity

B) 0

C) -1

D) None

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13. The equation which remains unchanged if x is replaced by 1/x then it is called

A) Exponential function

B) Reciprocal equation

C) quadratic equation

D) Exponential equation

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

A) -1

B) 0

C) unity

D) Non

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15. If discriminant is positive and not perfect square, then roots are

A) Real & distinct

B) Rational & distinct

C) Imaginary & distinct

D) irrational and distinct

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16. The roots of ax^2 + bx+ c= 0 are equal, if

A) b^2- 4ac > 0

B) b^2- 4ac < 0

C) b^2- 4ac = 0

D) b^2+ 4ac = O

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17. To convert ax²ⁿ+ bxⁿ + c = O (a!= 0 ) into quadratic form, the correct substitution

A) y = X^-n

B) y = X"

C) y = x2"

D) y = 1/x

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18. If discriminant is positive and perfect square, then roots are

A) Imaginary & distinct

B) irrational and distinct

C) Real & distinct

D) Rational & distinct

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

A) reciprocal equations

B) radical equations

C) exponential equations

D) Quadratic equations

20 / 20

20. The Sum of all cube roots of 64 is

A) -64

B) 64

C) 1

D) 0

Your score is

1st Year Math Chapter 4 Quadratic Equations MCQs With Answers

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