Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Simplify the complex expression: (3 – 2i) – (8 +
2i).
a. | -5 | c. | -5 – 4i | b. | -1 | d. | -28 +
32i |
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2.
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Simplify the complex expression: 2 + 5i – 4 – 2i
– i – 3.
a. | - 3 | c. | - 3i | b. | - 5 + 2i | d. | - 7 + 5i |
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3.
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Simplify the complex expression: (2 + 4i)(3 + 5i).
a. | 6 + 20i | c. | 10 +
12i | b. | 5 +
9i | d. | -14 +
22i |
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4.
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Simplify the complex expression: 
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5.
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Simplify the following complex number: 
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6.
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Find the values of x and y that make the equation
true.
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