× 4th Unit

## First Year Mathematics Chapter 4 Online MCQ Test for 1st Year Mathematics Chapter 4 Quadratic Equations Preparation

This online test contains MCQs about following topics:

- Introduction - Solutions of Equations Reducible to the Quadratic Equation - Three Cube Roots of Unity - Four Fourth Roots of Unity - Polynomial Function - Theorems - Synthetic Division - Relations between the Roots and the Coefficients of a Quadratic Equation - Formation of an Equation whose Roots are given - Nature of the Roots of Quadratic Equation - System of two Equations Involving two Variables - Problems on Quadratic Equationsa

#### FSC Part 1 Maths Unit 4 Test

Start Maths Unit 4 Test

### First Year Mathematics Chapter 4 Online MCQ Test for 1st Year Mathematics Chapter 4 Quadratic Equations Preparation

1 If α, ß are complex cube roots of unity, then 1 + α<sup>n</sup> + ß<sup>n</sup> = .......... where n is a positive integer divisible by 3:
• A. 1
• B. 3
• C. 2
• D. 4
2 Complex roots of real quadratic equation always occur in:
• A. conjugate pair
• B. ordered pair
• C. reciprocal pair
• D. none of these
3 How many complex cube roots of unity are there:
• A. 2
• B. 0
• C. 1
• D. 3
4 The ration of the sum and product of roots of 7x<sup>2</sup> - 12x + 18 = 0 is:
• A. 7:12
• B. 2:3
• C. 3:2
• D. 7:18
5 For what value of k, the roots of the equation x<sup>2</sup> + √k x + 2 = 0 are equal:
• A. 1
• B. 8
• C. 2
• D. 4
6 The roots of the equation:
• A. complex
• B. irrational
• C. rational
• D. none of these
7 Sum of all three cube roots of unity is:
• A. 1
• B. -1
• C. 0
• D. 3
8 In ax<sup>2</sup> + bx + c = 0, if b<sup>2</sup> - 4ac &gt; 0 and perfect square the roots are:
• A. rational
• B. irrational
• C. equal
• D. complex
9
• B. reciprocal equation
• C. exponential equation
• D. none of these
10 No. of ways of solving a quadratic equation:
• A. 1
• B. 3
• C. 2
• D. 4

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