Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
B
Logarithm: If log_5(3) = T, express log_5(9/125) in terms of T
Replies
2
Views
972
Dr.Peterson
Dr.Peterson
A
A flare fired from the bottom of a gorge is visible only when the flare is above the rim. if it is fired with an initial velocity of 96 ft/sec....
Replies
8
Views
5K
Dr.Peterson
Dr.Peterson
F
Rewrite a log function: log_10(k) = log_10(k_init) - beta_k * e_vol
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1
Views
882
Dr.Peterson
Dr.Peterson
A
linear algebra multiple-choice quiz (in Spanish)
Replies
1
Views
930
stapel
stapel
L
please help w/ "Find vector b given a = 3i - j, a*b = -6, angle between a, b is 30 degrees
Replies
3
Views
1K
blamocur
blamocur
N
how many positive integers m are there such that m^2 + 2017 is a perfect square?
Replies
10
Views
3K
khansaheb
K
R
Need a little help with a graph
Replies
6
Views
2K
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
1K
kajamix
K
S
geometric series: sum_{k=1,n} 25(0.2)^{k-1} and sum_{k=1,n} 8(-1/2)^k
Replies
1
Views
795
blamocur
blamocur
R
Help me solve this question: Consider two pieces of railroad track, each one kilometer long, laid end to end...
Replies
3
Views
2K
Dr.Peterson
Dr.Peterson
J
Fibonacci series textbook "Number Theory" by George E. Andrews (1971 edition)
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2
Views
1K
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
968
Dr.Peterson
Dr.Peterson
BeachBanana
Algebra Question of The Day - Factorial Edition: Solve (x + 6)! / (x + 2)! = 1680
Replies
19
Views
4K
fresh_42
F
C
Find vertical asymptote(s) for the function f(x) = sin(x) / (x^3 - (pi)*x^2)
Replies
2
Views
980
Dr.Peterson
Dr.Peterson
S
Proved that dimRn[x] = n+1 (Let Rn[x] be vector space of all polynomials w/ real coefficients...)
Replies
3
Views
2K
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...
Replies
1
Views
1K
khansaheb
K
M
Help please with question 57: 4-by-4 grid with 4 symbols standing for numbers
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3
Views
1K
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
2K
blamocur
blamocur
N
What are the last two digits of 2017^{2017}?
2
Replies
33
Views
8K
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
1K
blamocur
blamocur
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