Learn roots of quadratic equations MCQs, grade 10 online math test 1, complex cube roots of unity multiple choice questions and answers. Complex cube roots of unity revision test has math worksheets, helping answer key with choices as 3, 2, 4 and 1 of multiple choice questions (MCQ) with complex cube roots of unity quiz as the product of 3 cube roots of unity is/are for competitive exam prep, viva interview questions. Free math study guide to practice complex cube roots of unity quiz to attempt multiple choice questions based test.

MCQ. The product of 3 cube roots of unity is/are

1. 2
2. 3
3. 4
4. 1

D

MCQ. If b² - 4ac < 0, then roots of ax² + bx + c = 0 are

1. equal
2. irrational
3. rational
4. imaginary

D

MCQ. The number of terms in a standard quadratic equation ax² + bx + c = 0 is

1. 1
2. 2
3. 3
4. 4

C

MCQ. If b² - 4ac = 0, then roots of ax² + bx + c = 0 are

1. equal
2. imaginary
3. irrational
4. rational

A

MCQ. The number of methods to solve a quadratic equation are

1. 2
2. 3
3. 4
4. 5

B