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

972

Math Chapter 4

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

A) exact roots

B) original roots

C) radical roots

D) Extraneous roots

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

A) irrational and distinct

B) Imaginary & distinct

C) Real & distinct

D) Rational & distinct

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3. If discriminant is zero, then roots are

A) none of these

B) Rational & unequal

C) Real & distinct

D) Real & equal

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

A) -1

B) None

C) 0

D) 1

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

A) None

B) 0

C) -1

D) unity

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6. The Sum of all cube roots of 64 is

A) 1

B) 64

C) -64

D) 0

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

A) Imaginary & distinct

B) Real & distinct

C) irrational and distinct

D) Rational & distinct

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

A) -81

B) 1

C) 0

D) 81

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

A) Multiplicative inverse of each other

B) Reciprocal of each other

C) Square of each other

D) all of these

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10. 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

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11. If the discriminant is negative, then roots are

A) Imaginary & distinct

B) Real & distinct

C) Rational & distinct

D) irrational and distinct

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

A) b^2+ 4ac = O

B) b^2- 4ac < 0

C) b^2- 4ac > 0

D) b^2- 4ac = 0

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

A) y = X^-n

B) y = x2"

C) y = X"

D) y = 1/x

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

A) - 16

B) 0

C) 1

D) 16

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

A) -1

B) Non

C) 0

D) unity

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16. 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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17. The complex cube roots of unity are___ each other.

A) Conjugate of each other

B) None of these

C) Additive inverse of

D) Equal to each other

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

A) Reciprocal equation

B) quadratic equation

C) Exponential equation

D) Exponential function

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

A) radical equations

B) exponential equations

C) Quadratic equations

D) reciprocal equations

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20. 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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1st Year Math Chapter 4 Quadratic Equations MCQs With Answers

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