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9th Grade Complex Numbers Quizzes, Questions & Answers

9th Grade

Popular Complex Numbers Topics

Top Trending Complex Numbers Quizzes

Números Complexos Nivel I

Conceitos básicos a respeito do conjunto dos números complexos.

Questions: 15 | Attempts: 336 | Last updated: Sep 22, 2025

Sample Question 1
Leia as afirmações a seguir. I - Todo número real é complexo II - Todo número complexo é real III - Nenhum número imaginário é real Estão corretas

Apenas I e II

Apenas I e III

Apenas II e III

I, II e III

Sample Question 2
A parte imaginária do número complexo Z = a + bi é

A

B

Bi

I

Sample Question 3
Se o número complexo Z = (x-1) + (y+2)i é imaginário puro, então (o símbolo <> significa DIFERENTE)

X = 1

Y = 2

Y = -2

X = 1 e y -2

Recent Complex Numbers Quizzes

Fundamental Properties of Numbers Quiz

Questions: 22 | Attempts: 51 | Last updated: Aug 11, 2025

Sample Question
What are real numbers in mathematics?

B. Real numbers are limited to only integers like 5 or 10.

A real number can be an integer (5), a rational number that is not an integer (3/5), rational number as a decimal (3.5), or an irrational number (pi=3.14...) along a continuum. Points on an infinitely long number line. Let R denote the set of all real numbers. Then:The set R is a field, meaning that addition and multiplication are defined and have the usual properties.The field R is ordered, meaning that there is a total order ? such that, for all real numbers x, y and z:if x ? y then x + z ? y + z;if x ? 0 and y ? 0 then xy ? 0.

C. Real numbers include only whole numbers like 1, 2, 3, 4, etc.

D. Real numbers can only be positive integers and not decimals or negative numbers.

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