Putting a Complex Expression into Standard Form

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Taught by mrbrianmclogan
  • Currently 3.0/5 Stars.
1044 views | 1 rating
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Lesson Summary:

In this lesson, we learn how to simplify and write a complex expression in standard form. The first step involves understanding the definition of "i" as the square root of negative 1 and using it to find the values of i squared and i cubed. By replacing i cubed with negative i and i squared with -1, we can rewrite the expression in a scalar formula of a + bi. This standard form is much simpler than the original expression and is an essential skill to have in many areas of math.

Lesson Description:

Putting a complex expression into standard form

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Questions answered by this video:
  • Express in Standard Form 1. 10+i-2i² 2. i(-5+i)
  • Staff Review

    • Currently 3.0/5 Stars.
    In keeping with the title it may be better to give examples like (1+i)² or maybe i(1+i) so that you see the complex expression and not just implied in the expression.