Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
G
Can it be natural?
Replies
19
Views
2K
Dr.Peterson
Dr.Peterson
A
General Solution
Replies
2
Views
322
Otis
Otis
J
Simplify 2^k -1 + 2^[ (k+1) -1] ? In trying to prove ... + 2^(n-1) = 2^n -1.
Replies
6
Views
970
MathNugget
M
J
Double checking Proof of Summation Answer. (500 + 100 + 20 + ... + 4[5^(4 -n)] = 625( 1 - 1/5^n))
Replies
2
Views
497
lookagain
L
E
Hard (for me) GCSE vectors question I am unable to solve. (Given that C,D,E are on same straight line, find BE)
Replies
3
Views
451
blamocur
blamocur
M
Prove that x^2+17xy+17y^2+1 ≡ 0 (mod m) for any m.
Replies
4
Views
503
Makuta
M
G
Equivalent Expressions: Which expression is equivalent to (x^2 - 2x - 37) / (x^2 - 3x - 40)?
Replies
7
Views
866
Cubist
Cubist
P
Expansion of expressions: Some instances of the expression (𝐴+𝐵√𝐶)^𝐷 , in which 𝐴,𝐵,𝐶, and 𝐷 represent distinct single non-zero digits, may...
Replies
3
Views
449
Dr.Peterson
Dr.Peterson
L
Multiplying algebraic fractions: 2/a + (a+2)/4 I understand that the 2 and the 4 can cancel out to become 1/a + (a+2)/2
Replies
8
Views
631
Steven G
Steven G
A
Function and Inverse, Graphs, Domain and Range, given the function x = 2x - 4
Replies
3
Views
555
Steven G
Steven G
P
How reduce the steps of lengthy answer (partial fraction decomposition)
Replies
4
Views
516
Dr.Peterson
Dr.Peterson
C
How much does he gain by this transaction? (A retailer has an account for N200.00 from a manufacturer who gives two months' credit but only after...)
Replies
5
Views
801
jonah2.0
jonah2.0
E
Discriminant equation: Find exact values of k so y = 1-k-x is tangent to y = kx^2 + x + 2k)
Replies
11
Views
1K
Dr.Peterson
Dr.Peterson
J
Prove Summation - Unknown factoring step (Prove that 1^3 + 2^3 + 3^3 + ... + n^3 = [n^2 ( n + 1 )^2] / 4)
Replies
3
Views
585
Dr.Peterson
Dr.Peterson
K
How can a Shopkeeper Break Even on a Business
Replies
10
Views
917
Dr.Peterson
Dr.Peterson
E
Function search: f(x) = 1 if x is real and x is in [2n - 5/2, 2n - 3/2], n an integer; -1 otherwise
2
Replies
20
Views
1K
Dr.Peterson
Dr.Peterson
G
Arithmetic Problem
Replies
15
Views
1K
khansaheb
K
H
Recurrence system
Replies
6
Views
577
Steven G
Steven G
Steven G
What is going on here?
Replies
9
Views
2K
Steven G
Steven G
N
spherical cap problem: volume is given by (pi * h(3r^2 + h^2))/6
Replies
17
Views
2K
lev888
lev888
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