Tutorial - Graphing complex numbers ex 1, 2i

The video tutorial explains how to graph imaginary numbers on a complex plane. It introduces the concept of a complex plane with real and imaginary axes, similar to Cartesian coordinates. The tutorial demonstrates plotting complex numbers, specifically focusing on numbers with no real component, like 2I. The explanation includes how to interpret the axes and plot points accordingly.

What is the purpose of introducing a complex plane when graphing imaginary numbers?

• To visualize imaginary numbers

• To replace the Cartesian plane

• To simplify calculations

• To avoid using real numbers

On the complex plane, how are positive and negative values represented on the real axis?

• Positive to the right, negative to the left

• Positive below, negative above

• Positive above, negative below

• Positive to the left, negative to the right

How are imaginary numbers represented on the complex plane?

• As points on a diagonal line

• As points on both axes

• As points on the imaginary axis

• As points on the real axis

What is the form of a complex number?

• A / BI

• A * BI

• A - BI

• A + BI

When plotting the number 2I on the complex plane, where is it located?

• On the real axis at 2

• On the imaginary axis at 2I

• On the real axis at -2

• On the imaginary axis at -2I