Tutorial - Graphing complex numbers ex 4, 4

The video tutorial explains how to graph real numbers on a complex plane. It begins by clarifying that the expression of a single number is not complex. The tutorial then describes how numbers can be expressed in the form A + BI, where B is zero for real numbers. It demonstrates how to plot the number 4 on the complex plane, emphasizing that it lies on the real axis since it has no imaginary component.

What is the main focus of the video tutorial?

• Solving quadratic equations

• Understanding real numbers

• Graphing complex expressions

• Learning about imaginary numbers

In the expression A + BI, what does the 'B' represent?

• A real number

• A rational number

• An imaginary number

• A complex number

What is the imaginary part of the number 4 in the form A + BI?

• Undefined

• 0

• 1

• 4

If a number has no imaginary component, where is it plotted on the complex plane?

• It cannot be plotted

• At the origin

• On the real axis

• On the imaginary axis

When graphing the number 4 on a complex plane, which axis is used?

• Real axis

• Neither axis

• Imaginary axis

• Both axes