Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 698121: 3-5i/5+2i
Click here to see answer by MathTherapy(10552)

Question 698375: how to complete this problem : (-5+√-16)+(-4+√-25)
Click here to see answer by vleith(2983)

Question 698604: How do you solve this equation ?
Click here to see answer by Alan3354(69443)

Question 698608: How do solve this equation ? ?
Click here to see answer by Alan3354(69443)

Question 698606: 2 + 3i
____
5 - 2i
Click here to see answer by MathLover1(20850)

Question 698870: How do you do this problem with work on how you did it?
Add these complex numbers. Write your in a + bi form.
(-2+3i)+(-1-4i)
Click here to see answer by jim_thompson5910(35256)

Question 698870: How do you do this problem with work on how you did it?
Add these complex numbers. Write your in a + bi form.
(-2+3i)+(-1-4i)
Click here to see answer by Simnepi(216)

Question 699568: (3−4i)/(2−i) answer?
Click here to see answer by nerdybill(7384)

Question 700077: Evaluate the modulus of the following complex number, Z1 = 5 � 3i
Click here to see answer by Edwin McCravy(20056)

Question 700687: I just want to check my answer. Im supposed to express in terms of 'i'. So would my answer be
Click here to see answer by stanbon(75887)

Question 700708: Obtain the polar form of the complex number z1 = 4 � 4i?
Click here to see answer by lynnlo(4176)

Question 700705: What does it mean by 'Find the zeros' of the function by factoring
Click here to see answer by josmiceli(19441)

Question 701016: Here is the question.
Dominic bowled two games, scoring 206 and 176. What must he bowl in the third game in order to have a 227 average for these 3 games?
Click here to see answer by Alan3354(69443)

Question 701015: Can you tell me how to do this?
2/c+3 - 4/c-4 = 0
Thank you so much!

Click here to see answer by solver91311(24713)

Question 701013: Please help me! How do I solve this?
4-3i/7+3i
Thank you!
Click here to see answer by solver91311(24713)

Question 701058: 9 − 27i/9i

Click here to see answer by MathLover1(20850)

Question 701113: can you please help me? It says solve the quadratic equation.
x^2+4x-12=0
thank you!
Click here to see answer by jim_thompson5910(35256)

Question 701126: (7+2i)+(1-4i)
Click here to see answer by jim_thompson5910(35256)

Question 701492: 3\4+i
Click here to see answer by stanbon(75887)

Question 701492: 3\4+i
Click here to see answer by MathLover1(20850)

Question 701723: Hello!
I really need some help with how to do this. I can't figure it out with the i.
4-3i/7+3i
(four minus three i, divided by seven plus three i)
Thank you!!
Melissa
Click here to see answer by ankor@dixie-net.com(22740)

Question 703359: What is abs(3-4i)?
Click here to see answer by stanbon(75887)

Question 703674: You and a friend share the driving on a 300 mile trip. Your friend drives for 3 hours at an average speed of 52 miles per hour. how fast must you drive for the remainder of the trip if you want to reach your hotel in 3 more hours. write a verbal model. assign labels to the parts of the verbal model. use the labels to translate the verbal model into an algebraic model. solve the algebraic model. answer question
Click here to see answer by nshah11(47)

Question 704000: f(x)=2x+1 over x(x^2-1)
I know its 2x+1 over x(x-1)(x+1)
What do I do from there?
Thanks
Click here to see answer by jim_thompson5910(35256)

Question 703960: 16. Find a quadratic function in standard form that has the following points: (1, -2); (2, -2); (3, -4).
Click here to see answer by DrBeeee(684)

Question 704307: simplify the following expression: 4i/6+4i
Click here to see answer by mananth(16946)

Question 704429: Hi there! I need help with cubed roots. Here is my problem. I need to simplify it
^3sqrt(54y^21)
Thank you for your help!
Click here to see answer by Edwin McCravy(20056)

Question 704583: Factor completely: 6x^3-3x^2-9x
Click here to see answer by lynnlo(4176)

Question 704657: The problem asks to simplify and express this expression in a+bi form:

I know that i^50 equals one and i^692 equals i so I got the problem down to

but I don't know what to do next. Thank you for your help!
Click here to see answer by mananth(16946)

Question 704989: What is 1+6i/5i simplified?
Click here to see answer by stanbon(75887)

Question 705329: 3/5-11i
Type an interger and a simplified fraction
has to be in a=bi form
Click here to see answer by solver91311(24713)

Question 705340: What is the solution to: 3 + [ 6 x ( 5 - 2 ) + 7]
Click here to see answer by jim_thompson5910(35256)

Question 706040: PLEASE HELP
Write the equation of the function whose roots are
-3i, -2, and 4
Click here to see answer by stanbon(75887)

Question 706040: PLEASE HELP
Write the equation of the function whose roots are
-3i, -2, and 4
Click here to see answer by Edwin Parker(36)

Question 706140: hi please help me solve this question
7. (a) Solve the equation z^4-2z^3+5z^2-6z+6=0 given it has a root of the form z=ia where a is a real number.

(b) Evaluate the sum i+i^2+i^3+i^4+....+i^174
Click here to see answer by KMST(5328)

Question 706890: A cross section of a hollow circular pipe shows that its inner diameter is 2 1/10 inches and that the pipe is 3/5 inch thick. what is it's outside diameter (OD)?
A costume designer bought 2 1/2 yards of black silk, 3yards 6 inches of white silk,and 6 1/3 yards of blue silk. How many yards of silk did she buy?
in a track meet four athletes scored 1 1/2, 8 3/4 , 5 1/8, and 1 1/4 points for their team. what is the total number of points they scored?

A piece of metal 3 7/8 inches long is to be cut from a longer piece of 5 1/16 inches. what will be the length of the remaining piece?
add 7 5/8 and 5 5/8. then from their sum subtract 11 5/16.
15* 4 2/3 Evaluate.
Click here to see answer by KMST(5328)

Question 707130: Simplify i^-7
Click here to see answer by nerdybill(7384)

Question 707129: Simplify -i/(1+i)
Click here to see answer by lynnlo(4176)

Question 707737: Solve (5+2i) + (-3-11i)

Click here to see answer by stanbon(75887)

Question 709483: Find the values of x and y, where x and y are real numbers.
6 + (9x + y)i = 3x − 2i

I'm really bad at these. Thanks for your help!
Click here to see answer by josgarithmetic(39617)

Question 709511: x^3-125

Click here to see answer by Alan3354(69443)

Question 709513: 2x^3+2=0

Click here to see answer by Alan3354(69443)

Question 709510: x^3-125=0

Click here to see answer by MathLover1(20850)

Question 710076: Need help with simplifing please...(1/b+1/2)/(4/b^2+1
Click here to see answer by lynnlo(4176)

Question 710132: 2+4i/3-i
Click here to see answer by solver91311(24713)

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