Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
T
In how many ways can the word Josephite be arranged if the first letter is a vowel?
Replies
8
Views
653
Dr.Peterson
Dr.Peterson
T
Hard Summation Problem I'm struggling with
Replies
6
Views
558
blamocur
blamocur
T
Question about exponential functions
Replies
10
Views
857
Dr.Peterson
Dr.Peterson
L
is there something wrong in this question? "Show that if a, b are positive integers, then there is smallest positive integer a−bk, k an integer"
2
Replies
21
Views
4K
Steven G
Steven G
O
prove its true: |A union B| = |A| + |B| – |A intersection B|
Replies
5
Views
2K
khansaheb
K
D
Subgraph one to one
Replies
5
Views
547
Steven G
Steven G
M
How do I proof that x^(p^p) - x is divisible by x^p - x - 1 over Zp, p - any prime number?
Replies
9
Views
708
Makuta
M
G
Can it be natural?
Replies
19
Views
2K
Dr.Peterson
Dr.Peterson
A
General Solution
Replies
2
Views
287
Otis
Otis
J
Simplify 2^k -1 + 2^[ (k+1) -1] ? In trying to prove ... + 2^(n-1) = 2^n -1.
Replies
6
Views
914
MathNugget
M
J
Double checking Proof of Summation Answer. (500 + 100 + 20 + ... + 4[5^(4 -n)] = 625( 1 - 1/5^n))
Replies
2
Views
459
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
401
blamocur
blamocur
M
Prove that x^2+17xy+17y^2+1 ≡ 0 (mod m) for any m.
Replies
4
Views
442
Makuta
M
G
Equivalent Expressions: Which expression is equivalent to (x^2 - 2x - 37) / (x^2 - 3x - 40)?
Replies
7
Views
787
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
407
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
542
Steven G
Steven G
A
Function and Inverse, Graphs, Domain and Range, given the function x = 2x - 4
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3
Views
494
Steven G
Steven G
P
How reduce the steps of lengthy answer (partial fraction decomposition)
Replies
4
Views
464
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
747
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
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