# Basic Function Quiz Questions and Answers PDF Download eBook p. 121

Basic Function quiz questions and answers, basic function MCQs with answers PDF 121 to practice math mock tests for online graduate programs. Practice "Sets, Functions and Groups" quiz questions with answers, basic function Multiple Choice Questions (MCQs) for online college degrees. Free basic function MCQs, online math learning, fourth root of unity, complementary combination, cube roots of unity, basic function test prep for accredited online college courses.

"Subset of A x B is called a", basic function Multiple Choice Questions (MCQs) with choices *relation from b to a, relation from a to b, relation in a, and relation in b* for ACT subject tests. Practice sets, functions and groups questions and answers to improve problem solving skills for ACT prep classes.

## Quiz on Basic Function PDF Download eBook

MCQ: Subset of A x B is called a

- relation from A to B
- Relation from B to A
- Relation in A
- relation in B

A

MCQ: If ω is the cube root of unity, then cube roots of 125 are

- 3, 3ω, 3ω²
- −3, -3ω, -3ω²
- −5, -5ω, -5ω²
- 5, 5ω, 5ω²

D

MCQ: ^{n}C_{4} =

- n(n-1)(n-2)(n-3)/4ι
- (n-1)(n-2)(n-3)/4ι
- (n-2)(n-3)/4ι
- None of Above

A

MCQ: The quadratic equation with roots 3-√( 3 and 3+√(3 is

- x² + 4x + 1 = 0
- x² - 4x + 1 = 0
- x² - 6x + 6 = 0
- x² - 6x - 6 = 0

C

MCQ: A right angle is the angle of measure

- 90″
- 90′
- 60°
- 90°

D