# 1310_HW05 - a bi A i 4 B i 16 C i 4-D i 4 E None of these 7...

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Math 1310 Homework 5 Page 1 of 2 Math 1310 – College Algebra Textbook Section 2.4 Homework 5 Record your answers to these questions by going to the EMCF link on the top menu bar in your CASA account and selecting “Homework 5” on the EMCF assignment menu. Record your answers in the multiple choice form for Homework 5 BEFORE the assignment is closed. No late homework is accepted. 1. Add the following complex numbers: ( 29 ( 29 i 5 3 i 4 2 + - + - A. i 5 + B. i 1 + - C. i 9 1 + - D. i 9 5 + E. None of these 2. Subtract: ( 29 ( 29 i 7 4 i 3 2 - - + - A. i 10 6 - - B. i 4 2 - C. 2 i 5 + D. i 4 2 + E. None of these 3. Multiply ) i 2 5 ( i - A. i 5 2 + - B. i 5 2 + C. 7 i 5 + D. 7 E. None of these 4. Divide i 5 4 + A. i 26 4 26 20 - B. i 4 5 4 - C. i 13 2 13 10 + D. i 13 2 13 10 - E. None of these 5. Divide i 2 5 i 5 3 - + A. i 2 5 5 3 - B. i 29 31 29 5 + C. i 29 31 29 35 + D. i 29 31 29 5 - E. None of these 6. Write the number 16 - as a complex number in the form

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Unformatted text preview: a bi + . A. i 4 B. i 16 C. i 4-D. i 4 + E. None of these 7. Write the number 12-as a complex number in the form a bi + . A. 12i B. 2 i 3 C. 3 i 2 D. 3 i 2-E. None of these Math 1310 Homework 5 Page 2 of 2 8. Find all solutions, some may be complex, to the equation. 25 x 2 = + A. 5-, 5 B. i 5-, 0, i 5 C. 3 , 3 ,0 i i-D. i 5-, i 5 E. None of these 9. Find all solutions, some may be complex, of the equation ( 29 5 6 x 2-= + A. No solutions B. i 5 6 x ± = C. 5 i 6 x ±-= D. 5, 5 x x = = -E. 5 6 x ±-= 10. Find all solutions, some may be complex, of the following equation by using the quadratic formula 17 x 2 x 2 = + + A. i 4 1 ±-B. i 4 2 1 ±-C. i 8 2 ±-D. i 4 2 ±-E. None of these...
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1310_HW05 - a bi A i 4 B i 16 C i 4-D i 4 E None of these 7...

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