Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
A
linear algebra multiple-choice quiz (in Spanish)
Replies
1
Views
486
stapel
stapel
N
Can anyone answer this GCSE cubic graph question?? (Draw suitable straight line to estimate sol'n to cubic)
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6
Views
3K
Nirwanda
N
L
please help w/ "Find vector b given a = 3i - j, a*b = -6, angle between a, b is 30 degrees
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3
Views
601
blamocur
blamocur
N
how many positive integers m are there such that m^2 + 2017 is a perfect square?
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10
Views
2K
khansaheb
K
R
Need a little help with a graph
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6
Views
1K
Ramses823
R
K
A problem relating to small numbers: "Suppose we have a set of N natural numbers from 1 to 999...."
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4
Views
455
kajamix
K
S
geometric series: sum_{k=1,n} 25(0.2)^{k-1} and sum_{k=1,n} 8(-1/2)^k
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1
Views
423
blamocur
blamocur
R
Help me solve this question: Consider two pieces of railroad track, each one kilometer long, laid end to end...
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3
Views
904
Dr.Peterson
Dr.Peterson
J
Fibonacci series textbook "Number Theory" by George E. Andrews (1971 edition)
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2
Views
585
blamocur
blamocur
N
Determine whether the signal x(t)=6.4sint for -∞<t<∞ is a power or energy signal or neither. Hence...
Replies
2
Views
476
Dr.Peterson
Dr.Peterson
BigBeachBanana
Algebra Question of The Day - Factorial Edition: Solve (x + 6)! / (x + 2)! = 1680
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19
Views
3K
fresh_42
F
C
Find vertical asymptote(s) for the function f(x) = sin(x) / (x^3 - (pi)*x^2)
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2
Views
492
Dr.Peterson
Dr.Peterson
S
Proved that dimRn[x] = n+1 (Let Rn[x] be vector space of all polynomials w/ real coefficients...)
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3
Views
880
Steven G
Steven G
S
Straight Sum: Let Pn(R) be the vector space of n∗n matrices over R and let U be the set of symmetric n∗n matrices, while V is...
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1
Views
626
khansaheb
K
M
Help please with question 57: 4-by-4 grid with 4 symbols standing for numbers
Replies
3
Views
712
Dr.Peterson
Dr.Peterson
S
Let A be a 3*3 matrix with A^3 = I. Find the rank of the matrix B = A - I.
Replies
7
Views
857
blamocur
blamocur
N
What are the last two digits of 2017^{2017}?
2
Replies
33
Views
4K
Agent Smith
Agent Smith
S
Find the eigenvector: Let S be n*n square matrix w/ all non-zero elements. The sum of each row's elements is equal to 1.
Replies
1
Views
599
blamocur
blamocur
S
Finding an avg numerical value
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3
Views
700
Agent Smith
Agent Smith
S
Proved that not exist [imath]n\times n[/imath] square matrix A and B that satisfied the equation [imath]AB−BA=IAB−BA=I[/imath]
Replies
1
Views
596
topsquark
topsquark
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