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If x=3i, y=2i, z=m+I, and i=sqrt(-1), th...

If x=3i, y=2i, z=m+I, and i=sqrt(-1)`, then the expression `xy^(2)z=`

A

`-12-12`mi

B

`-6-6`mi

C

`12-12`mi

D

`6-6`mi

Text Solution

Verified by Experts

The correct Answer is:
C
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ENGLISH SAT-PASSPORT TO ADVANCED MATH-Multiple Choice
  1. Which of the following is equivalent to 2i^(2)+3i^(3)?

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  2. Expressed in simplest form, 2sqrt(-50)-3sqrt(-8) is

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  3. If x=3i, y=2i, z=m+I, and i=sqrt(-1), then the expression xy^(2)z=

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  4. If g(x)=(x(sqrt(1-x)))^(2), what is g(10)?

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  5. Which of the following is equal to (x+i)^(2)-(x-i)^(2)?

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  6. i^(13)+i^(18)+i^(31)+n=0 In the equation above, what is the value of...

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  7. Which of the following is equivalent to 2i(xi-4i^(2))?

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  8. If x=2i, y=-4, z=3i, and i=sqrt(-1), then sqrt(x^(3)yz)=

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  9. Which of the following is equal to (13+17i)(4-9i)?

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  10. If (x-yi)+(a+bi)=2x and i=sqrt(-1), then (x+yi)(a+bi)=

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  11. Which of the following complex numbers is equivalent to (3+i)/(4-7i)?

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  12. In an electrical circuits, the voltage, E, in volts, the current, I, i...

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  13. (9+2i)(4-3i)-(5-i)(4-3i) The expression above is equivalent to which...

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  14. What are the solutions to 3x^(2)-33=18x?

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  15. If the solution to 2x^(2)-8x-5=0 are p and q with pgtq, what is the va...

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  16. (x+5)/(4)=(1-x)/(3x-4) If the solutions to the equation above are r ...

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  17. If the equation y=3x^(2)+18x-13 is written in the form y=a(x-h)^(2)+k,...

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  18. x^(2)+6x+y^(2)-8y=56 If the above equation is written in the form (x...

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  19. 4/(x-3)+2/(x-2)=2 If the solution of the equation above in simplest ...

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  20. Which quadratic has 2+3i and 2-3i as its solutions?

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