Video history of imaginary numbers

The highest or lowest points of the graph.

Where the function crosses the y-axis.

Where the function crosses the x-axis.

The points where the function changes direction.

Polynomials of degree 'n' have at most 'n' roots.

Polynomials of degree 'n' have exactly 'n' roots.

Polynomials of degree 'n' have at least 'n' roots.

Polynomials of degree 'n' have no real roots if 'n' is even.

in another dimension

no solution

x=0

x=-1

He believed it was an appropriate name for numbers that don't exist in reality.

He suggested they should be called "lateral units" instead, as "imaginary" was an ill-adapted notation.

He thought the term "imaginary" accurately described their abstract nature.

He proposed they be renamed "complex numbers" to better reflect their properties.

Yes

No

negative numbers

fractions

zero

imaginary numbers

Ancient Egyptians

Babylonians

Renaissance Europeans

Ancient Chinese