Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 454876: what is the slope of 2x=2y=20

Click here to see answer by MathLover1(6638)

Question 455164: Can someone help me with this, I can't figure it out with my calculator.
Use a calculator to approximate the sqrt of 197/39
Click here to see answer by nerdybill(6962)

Question 455560: Help to solve X.
(d/x)=(ax+b)
Click here to see answer by Gogonati(809)

Question 455602: solve (x-5)2/3+3(x-5)1/3-4=0

Click here to see answer by rfer(12670)

Question 455620: what numbers make x^2-64=0
Click here to see answer by MathLover1(6638)

Question 455727: Compute the special products and write your answer in a+bi form.
(-2+5i)^2
I know I should foil this but I am doing something wrong. Could you help me here showing all steps please.
David

Click here to see answer by robertb(4012)

Question 455789: give me solution of i to the power i
Click here to see answer by stanbon(57387)

Question 455788: give me the solution of i to the power i
Click here to see answer by stanbon(57387)

Question 456079: how do you simplify the equation: (r^2 - r - 6)/ (r^2 -r - 12)
also how do you simplify: (-8(4-y))/((y+2)(y-4))

Click here to see answer by richwmiller(9143)

Question 456348: need to find the quotient of the complex numbers (-5+i)/(-7+ i)
Click here to see answer by Alan3354(30993)

Question 456539: Could you please tell me if I am correct on this equation?
4-v/6-v=2/v-6. Am I correct in thinking there is no solution?
Thanks for all your help!!

Click here to see answer by stanbon(57387)

Question 456566: Having trouble solving this. Could you please help? Thanks so much!!
2/rv^2 + 3/r^2v
Add and simplify if possible
Click here to see answer by edjones(7569)

Question 456714: Write each number as the product of a real number and i. 1) The square root of negative 36
Click here to see answer by stanbon(57387)

Question 457212: How can I simplify 1+2i/2-3i
Click here to see answer by stanbon(57387)

Question 458232: Please help me to solve this problem in the complex number system: [[[ x^2-6x+10=0]]]
Click here to see answer by jim_thompson5910(28598)

Question 458306: I need help simplifying this problem:
(x^2+6x/10)(4/x^2-36)
I wrote it in another way so you might understand more:
x^2 + 6x 4
--------- * ---------
10 x^2-36
Click here to see answer by mananth(12270)

Question 458906: how do you solve (-6i)(-3i)(-2-4i)
Click here to see answer by Alan3354(30993)

Question 459434: when plotting -6-4i on the complex plane, how do you need to move?
Click here to see answer by richard1234(5390)

Question 459434: when plotting -6-4i on the complex plane, how do you need to move?
Click here to see answer by MathLover1(6638)

Question 459434: when plotting -6-4i on the complex plane, how do you need to move?
Click here to see answer by Alan3354(30993)

Question 459594: i really need help i am an at home student so its hard to do some of the math
(4-6i)-2(5+2i)-i
Click here to see answer by sudhanshu_kmr(1152)

Question 459729: x2 + 4x = 23
complete the square root .
Click here to see answer by MathLover1(6638)

Question 459820: 8i/9-2i
Click here to see answer by solver91311(16897)

Question 459891: 9+3b+(3a-b)i=6+6i
I'm thinking of this question for 1 hour, and i can't find the answer, can u please help me

and thanks
Click here to see answer by sudhanshu_kmr(1152)

Question 460550: Solve for x

(-2x)/(x-6)= -24/(x^2-7x+6)
Click here to see answer by solver91311(16897)

Question 460532: Find all solutions by factoring. 6x^2-53x-9=0
Click here to see answer by Alan3354(30993)

Question 460953: (6-2i)^2
Click here to see answer by stanbon(57387)

Question 461668: Express (1 – i) – (-1 + 6i) in the form of a + ib.

Click here to see answer by MathLover1(6638)

Question 461638: What is residue? explain with example.
Click here to see answer by richard1234(5390)

Question 462061: Evaluate the polynomial for x= -1
-3x^3 + 8x^2 - 9x-2
Click here to see answer by algebrahouse.com(1079)

Question 462083: I am supposed to complete this table using polynomials. I don't know how to and need help.
-6x^4+6x^3 - 6x^2 + 5x - 7
The table is divided in 4 sections: Term, Coefficient, Degree of Term, Degree of Polynomial
Click here to see answer by Edwin McCravy(8909)

Question 462474: my equation is 9x squared + 6x=-1 please explain this to me...or even this one h= -16t squared + 40t where t is the time in seconds and h is the height of the ball. will the ball ever reach 22 feet?
Click here to see answer by MathLover1(6638)

Question 462671: What is 5 over 6-7i?
I have 30/85+35/85i....but I'm not sure if this is correct
Click here to see answer by robertb(4012)

Question 462738: Determine (-2+i3)^5 in the polar form and in cartesian form
Click here to see answer by stanbon(57387)

Question 462738: Determine (-2+i3)^5 in the polar form and in cartesian form
Click here to see answer by Edwin McCravy(8909)

Question 463149: What is the greatest common factor of 12x and 14x^3 ?
Click here to see answer by MathLover1(6638)

Question 463397: Using algebraic rules and without using a calculator, evaluate:
(a) 236/(236^2-238*234)
(b) 18*164/(164^2-161*167)
(c) 88888888/(88888889^2-88888888*88888890
Click here to see answer by robertb(4012)

Question 463449: I need to check an answer which I have got for evaluating a coplex number
The question is:
(3+j3)(2+j5)
The answer I've got is:
=-9+j21
Click here to see answer by MathLover1(6638)

Question 463800: I don't understand how to do this question. I have to multiply (7t-8)(7t+8)
Click here to see answer by rfer(12670)

Question 464184: How do I factor this?
81r-25r^3
Click here to see answer by Alan3354(30993)

Question 464139: How do I factor this?
x^4(x+4)+3(x+4)
Click here to see answer by katieb2(1)

Question 464116: Calculate all of the solutions of the following equation:
e^(-z+5) = 2i
Click here to see answer by richard1234(5390)

Question 464116: Calculate all of the solutions of the following equation:
e^(-z+5) = 2i
Click here to see answer by shakeel(1)

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