Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
A
For all square matrices A, is it true or false that det(−A) = − det(A)
Replies
2
Views
920
Steven G
Steven G
R
Converting a range of numbers to a heatmap (have scores for risk category)
Replies
2
Views
732
rob.curry
R
D
Sketch a graph of a function... domain all Real Numbers... Range is {2}
Replies
6
Views
3K
Deleted member 4993
D
U
Find an orthogonal basis to the span of {(1,0,0,1),(1,1,-1,0)}
Replies
1
Views
930
Deleted member 4993
D
G
"Easy" exponential eqn: 3^x+3^{x+1}+3^{x+2} = 5^x+5^{x+1}+5^{x+2}
Replies
8
Views
1K
JeffM
J
C
factorising quadratic equations: Given X^2 + Y^2 + Z^2 = 29, find Y for x = 2 & Z= -3
Replies
3
Views
993
Steven G
Steven G
T
logarithmic inequality: log_0.5(2x - 1) - log_2(5 - 3x) <= 0
2
Replies
21
Views
3K
tkhunny
tkhunny
M
How to solve this coefficient problem? coefficient of m³n² in expansion of (m+3n)^5
Replies
2
Views
1K
Steven G
Steven G
I
Optimal Stopping also considering Time cost or search Cost
Replies
0
Views
491
iamchitranjanbaghi
I
F
Please help me to solve this quartic equation: (6x+7)^2 (3x+4) (x+1) = 6
Replies
7
Views
2K
Steven G
Steven G
Y
Linear spaces: Given group of matrices, is it a field w.r.t addition, multiplication
Replies
14
Views
2K
yossa
Y
S
Can I find A in the modulo equation A mod B = X, given B and X ?
Replies
2
Views
735
Dr.Peterson
Dr.Peterson
H
Help w/ straight line equation question: line passes thru (-3, -2) (1,6) and (k,16)
Replies
2
Views
959
Steven G
Steven G
L
function f(x)=12-3x, domain {-4,-2,0,2,4}; find range ( it's 1:30am im suffering)
Replies
2
Views
1K
Dr.Peterson
Dr.Peterson
D
Solving Equations Using Rational Expressions: Simplify x/(x+3) + (9x+18)/(x^2+3x)
Replies
5
Views
1K
Dr.Peterson
Dr.Peterson
T
Polar Equation conversion from r=2-cos(theta) to rectangular
Replies
2
Views
2K
tberri13
T
G
Help on my test: “perform the computation 3u-5v if u = <3,-2> and v= <-5,3>.”
Replies
4
Views
1K
stapel
stapel
G
Find the magnitude of the vector v=<5,-7> to the nearest whole value
Replies
6
Views
1K
Steven G
Steven G
Y
Given sets U, W of pts in R^3, find finite set for W cutting U
Replies
7
Views
1K
yossa
Y
G
Solve cos(2x+1) + cos(3x+2) + cos(x+1) = 0
Replies
4
Views
1K
HallsofIvy
H
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