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

971

Math Chapter 4

1 / 20

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

A) Rational & distinct

B) Imaginary & distinct

C) irrational and distinct

D) Real & distinct

2 / 20

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

A) -1

B) None

C) 0

D) unity

3 / 20

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

A) None

B) 0

C) 1

D) -1

4 / 20

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

A) 81

B) -81

C) 0

D) 1

5 / 20

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

A) y = X"

B) y = 1/x

C) y = x2"

D) y = X^-n

6 / 20

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

A) Reciprocal equation

B) Exponential function

C) Exponential equation

D) quadratic equation

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

A) radical roots

B) original roots

C) exact roots

D) Extraneous roots

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

A) Real & distinct

B) Rational & distinct

C) Imaginary & distinct

D) irrational and distinct

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9. If the discriminant is negative, then roots are

A) Imaginary & distinct

B) irrational and distinct

C) Rational & distinct

D) Real & distinct

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10. 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 = O

D) b^2- 4ac > 0

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

A) Exponential function

B) quadratic equation

C) Reciprocal equation

D) Exponential equation

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12. 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

13 / 20

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

A) Square of each other

B) Multiplicative inverse of each other

C) Reciprocal of each other

D) all of these

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

A) 0

B) 16

C) 1

D) - 16

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15. If discriminant is zero, then roots are

A) Real & distinct

B) none of these

C) Rational & unequal

D) Real & equal

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

A) b^2- 4ac >=0

B) b^2-4ac < 0

C) b^2- 4ac <= O

D) b^2- 4ac != 0

17 / 20

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

A) exponential equations

B) radical equations

C) Quadratic equations

D) reciprocal equations

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

A) Additive inverse of

B) Equal to each other

C) None of these

D) Conjugate of each other

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

A) 0

B) -1

C) Non

D) unity

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20. The Sum of all cube roots of 64 is

A) 1

B) 0

C) 64

D) -64

Your score is

1st Year Math Chapter 4 Quadratic Equations MCQs With Answers

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