Term
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Definition
- √-1 = i You cannot square a negative number.
- √-100 = i√100 = 10i
- -√-16 = -i√16 = -4i
- √-96 = i√96 = 4i√6
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Term
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Definition
- i = i
- i2 = -1
- i3 = -i because i + i2 = i + -1 = -i
- i4 = 1 because i2 + i2 = -1 + -1 = 1
- etc...
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Term
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Definition
- √-11 . √-3 = i√11 . i√3 = i2 √33 = -1√33
- √-49 . √-100 = i√49 . i√100 = 7i . 10i = 70i2 = -70
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Term
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Definition
| √-28 ⁄ √7 = i√28 ⁄ √7 = 2i√7 ⁄ √7 = 2i |
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Term
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Definition
(6 - i) + (-7 + 6i)
= 6-7 + -i + 6i
= -1 + 5i |
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Term
| Write the quotient in the form of a + bi |
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Definition
- Multiply the denominator on both nominator and denominator but change the sign. example: 2/1-i = 2/1-i . 1+i/1+i and distribute.
- When multiplying 2 binomials FOIL
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