Unit Test Answers

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Use the product property of radicals to simplify the following radical. =

–9i

–9

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Simplify

Option

Check each true statement about the number.

7 is the real part of the number.

is the imaginary part of the number.

is the coefficient of .

This number is the sum of a real number and an imaginary number.

Which of the following can be used to find the absolute value of 4 – 7i?

Option

Because |a + bi| is equal to a distance, |a + bi| will always be a number.

negative imaginary

positive imaginary

negative real

positive real

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