Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 1010276: Find the Difference Quotient
f(x)=x^2 -2x +9
Click here to see answer by fractalier(6550)

Question 1010281: I need help expanding this Binomial THeorem
(3x-y)^5
Click here to see answer by Edwin McCravy(20056)

Question 1010369: i squared 36 equals

Click here to see answer by Alan3354(69443)

Question 1010473: x^4-121=0
Click here to see answer by fractalier(6550)

Question 1011015: Solve 4x^3+12x^2+12x+36
Click here to see answer by Alan3354(69443)

Question 1011015: Solve 4x^3+12x^2+12x+36
Click here to see answer by fractalier(6550)

Question 1011429: What is this (a-8)(a-9)
Click here to see answer by MathLover1(20850)

Question 1011591: Do all complex numbers in the form a-bi/bi-a result in -1 and Why?
Click here to see answer by josgarithmetic(39617)

Question 1011591: Do all complex numbers in the form a-bi/bi-a result in -1 and Why?
Click here to see answer by ikleyn(52784)

Question 1011591: Do all complex numbers in the form a-bi/bi-a result in -1 and Why?
Click here to see answer by MathLover1(20850)

Question 1012572: Given the function, f(x)= 2/x^2-2x-3 find tthe domain and range by showing your work. After that, find the x and y intercepts
Click here to see answer by Fombitz(32388)

Question 1012787: is a pure imaginary number an imaginary number ?
Click here to see answer by fractalier(6550)

Question 1012808: A farmer wishes to enclose a rectangular region with 210 m of fencing in such a way that the length is twice the width and the region is divided into two equal parts. What length and width should be used.
Click here to see answer by stanbon(75887)

Question 1013400: What's the similarity of 85, 19, 17, 4, 2.

Click here to see answer by ikleyn(52784)

Question 1013489: If ≤ ≤ for all x, find lim(x→0)
Click here to see answer by fractalier(6550)

Question 1013737: Show, using a numerical example, that the expressions (x+2)^2 and x^2+4 are not equivalent.

Click here to see answer by ikleyn(52784)

Question 1013936: Help me with this please. If 2x-3i=3+6yi, determine x and y. Thank you!
Click here to see answer by ikleyn(52784)

Question 1013935: Help me with this problem please. Find the simplified form of the expression: (-5-7i) + (-1+8i)
Click here to see answer by ikleyn(52784)

Question 1013935: Help me with this problem please. Find the simplified form of the expression: (-5-7i) + (-1+8i)
Click here to see answer by Edwin McCravy(20056)

Question 1014105: Factor a^2+4b^2
Please help me solve this
Click here to see answer by rothauserc(4718)

Question 1014108: Please help me with this, I would be very grateful :)
9a^2+25b^2
Click here to see answer by rothauserc(4718)

Question 1014407: What is the answer and work for 1/2x = 3

Click here to see answer by stanbon(75887)

Question 1014800: Expressed in simplest form 2 radical negative 50 times 3 radical negative 8 is equivalent to
Click here to see answer by ikleyn(52784)

Question 1014797: Express in simplest form in terms of i
6i times 2i times 4i
Click here to see answer by ankor@dixie-net.com(22740)

Question 1014799: Radical negative 18 times 2 radical negative 12
Click here to see answer by robertb(5830)

Question 1014938: Determine the principal value of√3+𝑗41+𝑗2. (Answer: 1.794 � j0.882)
Click here to see answer by Edwin McCravy(20056)

Question 1014798: (Radical6)(2radical3)
Click here to see answer by Fombitz(32388)

Question 1014796: Express in simplest form in terms of i
4 radical negative 144 times 6 radical 9
Click here to see answer by Fombitz(32388)

Question 1015060: For each of the following find a polynomial function of the least possible degree with only real coefficients and having the given zeros
1) 3+i and 3-i
2) 7-2i and 7+2i
3) 1-sqrt3, 1 + sqrt3, and 1
Click here to see answer by robertb(5830)

Question 1015202: Given that t lies in the interval[0,r/2] and that sint=1/3 determine each of the following:
a)cost
b)sect
c)cott
Click here to see answer by ikleyn(52784)

Question 1015202: Given that t lies in the interval[0,r/2] and that sint=1/3 determine each of the following:
a)cost
b)sect
c)cott
Click here to see answer by solver91311(24713)

Question 1015377: I really need help with problem. I have tried everything for the first answer and it keeps being wrong and I can not figure out why. Please help me.
Find the product of −5−4i and its conjugate. The answer is a+bi where

Click here to see answer by macston(5194)

Question 1015382: Please help and show all work.

Divide: (1+5i)/(6−7i).Write your answer in a+bi form

.Divide: (−3−2i)/(4+2i). Write your answer in a+bi form.

Click here to see answer by Edwin McCravy(20056)

Question 1015383: Please help me and show all work.

Divide: −1+5i/−4+2i. Write your answer in a+bi form.

Click here to see answer by KMST(5328)

Question 1015378: Please help me and show work. Thaks in advance
Evaluate the expression −4+3i/8i and write the result in the form a+bi.

Click here to see answer by KMST(5328)

Question 1015378: Please help me and show work. Thaks in advance
Evaluate the expression −4+3i/8i and write the result in the form a+bi.

Click here to see answer by macston(5194)

Question 1015378: Please help me and show work. Thaks in advance
Evaluate the expression −4+3i/8i and write the result in the form a+bi.

Click here to see answer by ikleyn(52784)

Question 1015465: 1. Write the expression in simplified radical form.

3
____
2x radical form 5
Click here to see answer by Alan3354(69443)

Question 1016223: Solve for w.
3w-7=square root (8w-7)
Thx for your help^^ having trouble solving square root equations

Click here to see answer by Boreal(15235)

Question 1016244: Write the expression in simplified radical form.
3 over 2+√5
Click here to see answer by macston(5194)

Question 1016243: solve the equation. Show your check then write the solution set. Show all your work
7+√4x8=9
Click here to see answer by Alan3354(69443)

Question 1016375: give the complex number, -5+4i
a. graph the complex number
b.calculate the modulus
Click here to see answer by Fombitz(32388)

Question 1016929: In a row of 6 I need to know every possible way from 1 to 59
So in a line of 6 I need to know every way each number can be in from 1-59
Thank you
Click here to see answer by richard1234(7193)

Question 1016996: lpease Help Show work. Thanks

The length of a rectangular garden is 7 feet longer than its width. If the garden's perimeter is 202 feet, what is the area of the garden in square feet?
Click here to see answer by Alan3354(69443)

Question 1017026: (5i)(−3i)
I just do not understand.
Click here to see answer by macston(5194)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380