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Bevelle - Sem1- Final Exam - Part II

Authored by Tonia Bevelle

Mathematics

Professional Development

Used 3+ times

Bevelle - Sem1- Final Exam - Part II
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Express the number in terms of i. 1) √-9

√3 i

√-14

-50

2.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

(5 − 6i) + (9 +9i)

14 + 3i

14 - 3i

-14 - 3i

-4 + 15i

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Simplify. Write your answers in the form of a+bi, where a and b are real numbers. (7+√4) (4+√-64)

108i

108

12 + 64i

284 + 464i

4.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Find the product and write the result in standard form. (9 + 8i)(55i)

85 - 5i

5 + 85i

85 + 5i

-40i^2 - 5i + 45

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Solve the equation. x² +81 = 0

{9}

{-9, 9}

{-9i, 9i}

{9i}

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Solve the equation. x² + 12x +45 = 0

{-9, -3}

{-6 - 3i, -6 + 3i}

{-6 + 3i}

{-6 - 9i, -6 + 9i}

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