Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
A
Geometric sequence and interest: Debt owed = ar^n - x{(r^n - 1)/(r - 1)}
Replies
13
Views
2K
khansaheb
K
M
Prove the irrationality of cbrt[6] - cbrt[5] (I've tried contradiction or finding a poly, but...)
Replies
2
Views
597
Steven G
Steven G
S
If q(x) = 5-7x, find x if q(-2x) = 12.
Replies
7
Views
966
The Highlander
The Highlander
S
Found this in my year 10 textbook on polynomials and doesn't know the meaning
Replies
4
Views
644
Steven G
Steven G
J
  • Locked
Factoring (x + dx)^{1/2} to get x^{1/2} (1 + dx/x)^{1/2}
Replies
19
Views
1K
stapel
stapel
Y
proving that log(u/v).log(s/t) equals log(u/s).log(v/t) + log(u/t).log(s/v)
Replies
3
Views
2K
topsquark
topsquark
K
Need help solving diophantine inequalities (sqrt(a) < b < sqrt(a + 10^8))
Replies
5
Views
653
JeffM
J
K
ohms law - Finding Source Voltage of a DC series circuit
Replies
8
Views
799
The Highlander
The Highlander
D
X raised to the power of X equals Y. Given Y, how to calculate X?
Replies
12
Views
2K
Dr.Peterson
Dr.Peterson
T
How should I solve the following inequality?
Replies
3
Views
502
Dr.Peterson
Dr.Peterson
M
An inequality: (sqrt(1-a)-sqrt(1-b))^2 >= (sqrt(1-a/c)-sqrt(1-b/c))(sqrt(1-ac)-sqrt(1-b*c))
Replies
6
Views
855
Dr.Peterson
Dr.Peterson
C
Problem with understanding closure property in binary operation
Replies
8
Views
1K
lev888
lev888
A
Domain problem: how to find domain of y = sqrt[ (-3) / (x^2 - 5x + 4) ]
Replies
15
Views
2K
Steven G
Steven G
D
Possible to solve for T? E=T-((0.3+(0.13T))
Replies
3
Views
625
The Highlander
The Highlander
P
(√x)^2=|x| ? ( if we square the root, will we get the module ( (√x)^2=|x| )?)
Replies
3
Views
756
Bruce
B
B
Decomposition of a number: N = p^2 + q^2, and I have tried to factorize N
Replies
1
Views
417
Bruce
B
J
Find maximum value of xy(72 - 3x - 4y), x > 0, y > 0
Replies
4
Views
722
khansaheb
K
J
remainder theorem problem: p(x) = x^6 + ax^4 + bx^2 + c; a,b,c integers; p(7) = 0, p(1+sqrt(4))=0, find p(2)
Replies
12
Views
932
Steven G
Steven G
D
Easier way to change decimals
Replies
2
Views
496
Dr.Peterson
Dr.Peterson
P
Interest Problem: “How many percent is 40 minutes less than 2.5 hours?”
Replies
13
Views
2K
khansaheb
K
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