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20 questions

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1.

FLASHCARD QUESTION

Front

What does i²= ?

Back

-1

2.

FLASHCARD QUESTION

Front

(4 – 3i)(-7 – 2i)

Back

-34 + 13i

3.

FLASHCARD QUESTION

Front

Simplify: (10 + 15i) - (48 - 30i)

Back

-38 + 45i

4.

FLASHCARD QUESTION

Front

(5 - 2i) + (-7 + 8i)

Back

-2 + 6i

5.

FLASHCARD QUESTION

Front

(2 - 5i)(2 + 5i)

Back

29

6.

FLASHCARD QUESTION

Front

Multiply (2i)(3i) and simplify completely.

Back

-6

7.

FLASHCARD QUESTION

Front

Simplify √-23.

Back

i√23

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