Questions on Algebra: Complex Numbers answered by real tutors!

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Algebra: Complex Numbers

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Question 47598: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by Nate(3495)

Question 47604: If i = (-1)^1/2 , then (1 + i)/(1 - i) -1 =
A. 7 + 24i
B. 1 - i
C. -7 + 24i
D. -1 + i
E. 7 - 24i
F. -1 - i
G. -7 - 24i
H. 1 + i
I. None of these

Click here to see answer by Nate(3495)

Question 47599: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by checkley71(8405)

Question 47759: Solve for X.
(1/3+5)
-------=8
(x-1)
Click here to see answer by checkley71(8405)

Question 47758: (1/3+5)
-------=8
(x-1)

Click here to see answer by mszlmb(115)

Question 47280:

Click here to see answer by consc198(59)

Question 46530: Use a calculator to approximate checkmark 42 to the nearest hundredth.
Click here to see answer by consc198(59)

Question 47882: Rationalize the denominator. Assume that all variables represent positive numbers.

Click here to see answer by Nate(3495)

Question 48148: Identify the vertex of the given parabola.

Click here to see answer by tutorcecilia(2042)

Question 48458: 1/a+1/b=c
solve for b
i don't know how to get the variables on one side
Click here to see answer by longjonsilver(2297)

Question 48460: 5-a/a + 3/4 = 7/a
Click here to see answer by checkley71(8405)

Question 48561: Identify the vertex of the given parabola.

Click here to see answer by stanbon(26259)

Question 48978: Simplify
Click here to see answer by Nate(3495)

Question 48977: Solve:
Click here to see answer by Nate(3495)

Question 49055: Factor
Click here to see answer by AnlytcPhil(958)

Question 49054: Factor
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Question 49053: Factor
Click here to see answer by Nate(3495)

Question 49052: FActor
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Question 49264:
Click here to see answer by TheAntiheroX9(4)

Question 49263: -38+9a=40
Click here to see answer by checkley71(8405)

Question 49088: z = 1/(2^0.5)(i-(3^0.5))
Click here to see answer by mszlmb(115)

Question 49996This question is from textbook College Algebra

: use z=a+bi and w=c+di to show that the conjugate of z*w = the conjugate of z * the conjugate of wThis question is from textbook College Algebra

Click here to see answer by AnlytcPhil(958)

Question 49999: Is there special software you can down load in order to write out a question properly in the case of logarithms or numbers squared etc?
Click here to see answer by kev82(145)

Question 50000: Find f(2)given f(y)=-4y squared + 3y +29.
Click here to see answer by tutorcecilia(2042)

Question 50118: This is from a mom trying to help child with algebra - the question:
Solve the system algebraically. Identify the system and give the number of solutions. (2x-2y=-4
(6x-6y=-24
Is it consistent/dependent 2 solutions
consistent/independent 1 solution
inconsistent 0 solutions
inconsistent 2 solutions
Please help
Click here to see answer by stanbon(26259)

Question 50205: -(b-1)+12=-26 how do i determine what b is
Click here to see answer by tutorcecilia(2042)

Question 50205: -(b-1)+12=-26 how do i determine what b is
Click here to see answer by truman(1)

Question 50250This question is from textbook Algebra and Trigonometry
: This question is about complex fractions. How do I solve:
((x^2-y^2)/(xy))/((x-y)/(y))This question is from textbook Algebra and Trigonometry

Click here to see answer by stanbon(26259)

Question 50502: The largest value in the domain of the relation
{(4,3), (3,4), (2, -1), (4, 7), (9, 2), (1,8)} is
a. 1
b. 2
c. 4
d. 7
e. 8
f. 9
g. none of these
Click here to see answer by Nate(3495)

Question 50602This question is from textbook Algebra 2
: I'm trying to assist my daughter in solving this problem and can't recall how to deal with a complex fraction. It's been many years. Thank you for your assistance.
5(x/y)-x when x=6 and y= 2/3This question is from textbook Algebra 2

Click here to see answer by tutorcecilia(2042)

Question 51063: if z1,z2,z3, are the vertices of equilateral triangle then show that
z1^2+z2^2+z3^2=z1*z2+z2*z3+z3*z1
Click here to see answer by venugopalramana(3286)

Question 51175This question is from textbook Passport
: 8(2) + 2, 8(23) + 3, 8(234) + 4, 8(2345) + 5, ?, ?, ?
Simplify the expression and write down the next three numbers in the sequence. Describe the pattern.This question is from textbook Passport

Click here to see answer by rchill(405)

Question 51665: Tutors please help me solve this equation:
Determine whether the ordered pairs are solutions of the equation
((((y=2/3x+3)))
a.3,5
b.-3,1
c.-6,0
d.0,3
Click here to see answer by THANApHD(104)

Question 51619: Find the product of 5+ sqrt-36 and 1- sqrt-49, and express in simplist a+bi form
Click here to see answer by tutorcecilia(2042)

Question 52359: which of the following is the result of dividing the complex number 4-3i by the complex number 2+i
A) 1-10i
B)1-2i
C) 2-2i
D) 4-5i
Click here to see answer by venugopalramana(3286)

Question 52363: the conjugate of 1 + i^4 is
a) 0
b)1-i^4
C) 2
d)-2
Click here to see answer by THANApHD(104)

Question 52367: does the number pi, which represents the ratio of the circumfrenece and diameter of a circle, can be represented by a complex number?
Click here to see answer by AnlytcPhil(958)

Question 52366: Can the number p, which represents the ratio of the circumference and diameter of a circle, be represented by a complex number?

Click here to see answer by AnlytcPhil(958)

Question 52365: PLEASE HELP
for the complex numbers z=a +bi and w = c +di, z>w if what is true?
a) sqrt (a^2 +b^2) > sqrt(c^2 +d^2) were sqrt represents the square root
b) a> c and b>d
c) none of these
d) (a+b) > (c + d)
Click here to see answer by AnlytcPhil(958)

Question 52364: -3 - 4i (in absolute value bars)
value?
Click here to see answer by rapaljer(3620)

Question 52364: -3 - 4i (in absolute value bars)
value?
Click here to see answer by Nate(3495)

Question 52525This question is from textbook
: 2,-7/4,-1,15/2
show me examples of how u would solve this
problem?This question is from textbook

Click here to see answer by checkley71(8405)

Question 52627: The set of integers is NOT closed under which operation?
a. Multiplication
b. Addition
c. Subtraction
d. Division

Click here to see answer by checkley71(8405)

Question 52632: please help explain how to do this problem:
The length of a rectangular wall is x units and its height is (x - 3) units. Find an expression for the perimeter of the wall.
Click here to see answer by checkley71(8405)

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