Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
P
(√x)^2=|x| ? ( if we square the root, will we get the module ( (√x)^2=|x| )?)
Replies
3
Views
719
Bruce
B
B
Decomposition of a number: N = p^2 + q^2, and I have tried to factorize N
Replies
1
Views
395
Bruce
B
J
Find maximum value of xy(72 - 3x - 4y), x > 0, y > 0
Replies
4
Views
682
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
862
Steven G
Steven G
D
Easier way to change decimals
Replies
2
Views
468
Dr.Peterson
Dr.Peterson
P
Interest Problem: “How many percent is 40 minutes less than 2.5 hours?”
Replies
13
Views
1K
khansaheb
K
P
Text Task (Word Problems) "Bananas are 10% more expensive than oranges, and apples are 20% cheaper than bananas."
Replies
6
Views
1K
The Highlander
The Highlander
D
How do you solve this? -33.1(1.04)^x - (0.75)^{x-1} + 37.5 = 0
Replies
7
Views
1K
Dr.Peterson
Dr.Peterson
S
Let S = { [[1 1][-1 0]], [[0 2][-1 1]], [[-2 0][1 1]], [[-3 1][1 2]]}, and W be...
Replies
5
Views
739
topsquark
topsquark
S
APY calculation based on daily profit
Replies
1
Views
390
seb-qwerty
S
S
Let S = {1 + t - t^2, 2t - t^2 + t^3, -2 + t^2 + t^3, -3 + t + t^2 + 2t^3} and W be the subspace of...
Replies
2
Views
506
Steven G
Steven G
M
Change of series sign: [1 - ((pi*z)^2)/6 + ...]^{-1} = [1 + ((pi*z)^2)/6 + ...]
Replies
3
Views
536
khansaheb
K
P
Prove if equation if equation determines relation between x and y. College education.
Replies
4
Views
1K
The Highlander
The Highlander
V
How many integer pairs (x;y) satisfy the equation?
Replies
6
Views
752
Violette
V
A
Proof by contradiction help? (Student's proof starts by squaring both sides of inequality)
Replies
1
Views
636
blamocur
blamocur
B
Solving for constants
Replies
9
Views
1K
Dr.Peterson
Dr.Peterson
T
What is this question asking? Find all real x such that x^6 - 3x^3 - 10 = 0
Replies
3
Views
524
stapel
stapel
G
How to sketch implicit functions
Replies
0
Views
428
gnitsuk
G
R
Find the orthogonal complement to the linear subspace of polynomials
Replies
1
Views
492
stapel
stapel
A
Find the Resultant Vector
Replies
2
Views
603
skeeter
skeeter
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