question edit history translations

What is imaginary numbers?

a negative numbers

a numbers which, after multiplying, give a negative result

a numbers that, when squared, has a negative result

all numbers which are not rational numbers

Essentially, an imaginary number is the square root of a negative number and does not have a tangible value. While it is not a real number — that is, it cannot be quantified on the number line - imaginary numbers are "real" in the sense that they exist and are used in math. Imaginary numbers are particularly applicable in electronics.

Ts

3

get directly down wikipedia → Imaginary number

mathematicsnumbersscience

Numbers quiz Mathematics quiz Science quiz

You will play as

Answers by country

Austria

0%

9%

81%

9%

11

the Netherlands

0%

17%

64%

11%

17

Poland

4%

13%

61%

19%

4256

Malaysia

10%

0%

60%

30%

10

Greece

0%

22%

54%

22%

22

the United States

2%

15%

53%

28%

77

India

9%

14%

44%

27%

81

Germany

3%

27%

39%

28%

66

the United Kingdom

4%

20%

33%

41%

95

Australia

0%

28%

33%

38%

21

Canada

5%

5%

27%

61%

18

Pakistan

0%

26%

26%

46%

15

France

0%

30%

15%

53%

13

Nigeria

18%

18%

9%

54%

11

Which number is considered unlucky in East Asia?

Which numeral system was in use in ancient Sumer and Babylon?

What is the sum of all the numbers on the roulette wheel?

When and where did the first Derby take place?

in 1780 Epsom Derby

In 1800 Doncaster Derby

In 1875 Kentucky Derby

In 1900 Newmarket Derby