Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
shahar
Ordered Numbers: complexes aren’t; are any others not? are infinitesimals ?
Replies
2
Views
1K
topsquark
topsquark
P
Stuck! “Find b so 0=-x2 + bx -8 has one solution.”
Replies
3
Views
1K
Denis
D
N
Complex numbers: show that (2+j)e^(1+j3)x + (2-j)e^(1-j3)x is also real
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
J
One-to-One Functions; g & h defined.
Replies
3
Views
879
JeffM
J
K
Limits: Does (1 - 1/4)(1 - 1/9) ... (1 - 1/n^2) converge as n approaches zero?
Replies
6
Views
1K
lookagain
L
W
Discrete Dynamical Systems (interaction of two species)
Replies
0
Views
675
Wothom83
W
P
Positive Definite Matrix: H_p is minor obliterating n-p rows and...
Replies
0
Views
759
Poliwrath
P
J
Logarithms: Solve log_5(x) = 4 log_x(5): I get x=0.04, 25; only 25 is right?
Replies
4
Views
3K
JHY
J
B
Struggling: eed to know the total xp required to reach 1000
Replies
4
Views
2K
HallsofIvy
H
H
How does 5x_1^2-6x_1x_2+5x_2^2+4x_1+4x_2 become (1/2) x^T [[10 -6][-6 10]]x + [4 4]x?
Replies
1
Views
636
stapel
stapel
N
rational function w/ vertical asympt's at x = -2, x = 3, x-int at 0, hor. asympt. y=2
Replies
3
Views
1K
topsquark
topsquark
M
X+15% = 20 000 I am so disappointed with myself (computing w/ VAT)
Replies
2
Views
1K
HallsofIvy
H
shahar
Why logarithm's base is limited? log_x(f(x)) < log_x(g(x)), x<=0
Replies
7
Views
1K
shahar
shahar
D
Inverse of a generic Matrix A such that A^2+xA+yI_n = 0, x,y real
Replies
5
Views
1K
diogomgf
D
A
what is going on here? (x/(x+3)) / ((x/(x+3) + x)
Replies
9
Views
1K
allegansveritatem
A
D
Polynomial Question: 4x^3 - 9x^2 +6x -1
Replies
7
Views
2K
Steven G
Steven G
D
Linear Algebra: For A=[[7 4][-9 -5]], show A^k=[[1+6k 4k][-9k 1-6k]]
Replies
5
Views
1K
diogomgf
D
N
cylindrical can w/ height h, radius r; diff. parts have diff. costs; maximize volume
Replies
4
Views
943
JeffM
J
N
cylindrical can w/ height H, radius r
Replies
4
Views
2K
JeffM
J
Phatfoo
Determinant's value should be -15; I get 45; where am I going wrong?
Replies
3
Views
799
Phatfoo
Phatfoo
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