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Intermediate/Advanced Algebra
For more advanced algebra topics, including Algebra II and Pre-Calculus.
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Read Before Posting!!
Ted
Feb 20, 2006
Replies
0
Views
39K
Feb 20, 2006
Ted
T
A
Vectors in equilibrium: A body is acted on by 3 forces in the (x,y)-plane. T_3 = 30.0j N, angle is 20.0 degrees, body is at equilibrium
annaanna
Today at 11:16 AM
Replies
5
Views
139
Today at 6:30 PM
topsquark
K
How to solve this? The first three terms of a different geometric progression are (4/3)cos^2(3theta), (16/9)cos^4(3theta), and (64/27)cos^6(3theta)
Kulla_9289
Saturday at 8:53 AM
2
Replies
27
Views
371
Yesterday at 7:46 PM
blamocur
R
Complex Numbers: Find the modulus of (1 + i sqrt{3}). Hence evaluate (1 + i sqrt{3})^3. Give your answer in x + iy form.
reggiwilliams
Saturday at 2:10 PM
Replies
12
Views
176
Yesterday at 12:50 PM
reggiwilliams
R
M
Linear Algebra Vectors (Find point P in R3 such that A,B,C and P form a rhombus)
mmedy2311
Friday at 4:54 AM
Replies
2
Views
133
Saturday at 11:55 PM
Steven G
R
Indices: Two variables x & y satisfy the equation y = 3*4^x. Find 'a' if (a,6) lies on graph. Find 'b' if (-1/2,b) also lies on the graph.
reggiwilliams
Saturday at 5:46 AM
Replies
2
Views
114
Saturday at 11:49 AM
lookagain
L
B
Help in problem of theory of equations: Let a ≠ 0, b, c be integers and sinx, cosx be the rational roots of the equation ax^2+bx+c=0....
banaj
Mar 7, 2024
Replies
14
Views
322
Saturday at 9:08 AM
blamocur
R
Inverse functions and graphing: Find the inverse function for the function y = x^2 - 4x + 5, and draw its graph
reggiwilliams
Friday at 12:05 PM
Replies
5
Views
111
Friday at 2:33 PM
Dr.Peterson
A
Complex roots: Given that z = -3/2 + i*sqrt{11}/2 is a root of z^4 - 3z^3 - z^2 + kz + 40 = 0, find...
annaanna
Friday at 5:58 AM
Replies
10
Views
142
Friday at 1:02 PM
blamocur
D
Is it possible to solve for any variable in this system of equations? (All variables must be > 0; no variable can be +- 10,000 from another)
DatMathGuy
Mar 11, 2024
Replies
13
Views
184
Friday at 8:47 AM
Dr.Peterson
C
Gaussian elimination with augmented matrix
chiqititaa
Tuesday at 2:14 PM
Replies
3
Views
125
Thursday at 10:55 PM
Steven G
L
Can someone check my working on this algebra? (alpha) + (beta) = -5/2, (alpha)(beta) = -5, (alpha)^2 + (beta)^2 = 65/4, (alpha)^3 + (beta)^3 = -425/8
Laia
Tuesday at 10:32 AM
Replies
3
Views
193
Thursday at 10:42 PM
Steven G
R
Sequences: sequence given by T_n = 3(2/3)^n - 1, where n is a positive integer; find T_1,T_2,T_3; show that T_{n+1) = 2(2/3)^n - 1; and
reggiwilliams
Thursday at 12:29 PM
Replies
3
Views
134
Thursday at 1:23 PM
BigBeachBanana
S
Help defining and refining a logarithmic function: Say I want to save money over the period of 60 months with a final target: say $50,000
SirLouen
Mar 9, 2024
Replies
3
Views
187
Tuesday at 11:27 PM
BigBeachBanana
S
Rubik’s Cube: Is there any algebraic function to solve a rubik’s cube? Or which branch of mathematics would help in learning how to solve?
Statsasap
Tuesday at 10:52 AM
Replies
1
Views
116
Tuesday at 11:18 AM
fresh_42
F
R
Find Domain and Range for f(x) = 1/(x^2 - x)
rajishu07
Mar 9, 2024
Replies
2
Views
127
Tuesday at 7:24 AM
R.M.
R
M
Prove by induction: "Every natural number n can be represented as a sum of powers of 2."
Matthew Prey
Mar 11, 2024
Replies
3
Views
112
Mar 11, 2024
lev888
A
Polynomial proof: Prove that if p(x) is a real polynomial s.t. p(x)≥0 for all real x, then p does not have any real roots of odd multicity.
Aion
Mar 9, 2024
Replies
2
Views
184
Mar 10, 2024
Aion
A
A
Greatest common divisor between two polynomials (p(x)=x^3+2x^2−x−2 and g(x)=x^3+2x+a) Find all values of a such that....
Aion
Mar 7, 2024
Replies
4
Views
144
Mar 8, 2024
Dr.Peterson
M
Calculate the amplitude of the pulse that is reflected from a disc-shaped reflector
mikewill54
Mar 8, 2024
Replies
0
Views
68
Mar 8, 2024
mikewill54
M
R
Simultaneous equations: Can you tell me how to solve the simultaneous equations X^-xy+3y^=15 X^+xy-y^=5
reggiwilliams
Mar 6, 2024
Replies
10
Views
174
Mar 7, 2024
reggiwilliams
R
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