Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
B
help please w/ Simultaneous NON-linear equations: 4xy = -15, 4x^3+4y^3 =49
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8
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2K
Barry247
B
V
indications equation: a^x=x+2 has two real solutions.I need to find "a" values.
Replies
4
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1K
Vali
V
Z
Finding the roots of a 6-degree polynomial
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2
Views
1K
Dr.Peterson
Dr.Peterson
A
a puzzle: I get 7/(sqrt{2}-7) equalling (-7 sqrt{2} + 49)/47, but calc says "no" ??
Replies
2
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1K
allegansveritatem
A
A
calculator question: Which is the best calculator for studying algebra?
Replies
14
Views
3K
allegansveritatem
A
F
Simplifying integral: How to simplify 2sqrt{bx+a)[(bx+a)-3a] to 2sqrt{bx+a}[bx-2a] ?
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
N
Determine x and y for the geometric sequence: -2, x, y, 1024, ...
Replies
2
Views
1K
pka
pka
J
Prove that 6*Sigma(1 to k) n^2 = (2*k^3) + (3*k^2) + k
Replies
6
Views
1K
jk74
J
T
Help with "Rewrite the equation P = N*S^1/2 in logarithmic form."
Replies
5
Views
1K
Dr.Peterson
Dr.Peterson
K
Find all natural numbers n, such that 7^n + 24^n is a square of integer number
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6
Views
1K
kaloyankolev
K
B
Bases and Dimension: Prove the plane P is a subspace of R^3
Replies
10
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2K
Steven G
Steven G
T
Proof of vector dimensions using inequalities
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3
Views
1K
Steven G
Steven G
N
Find arith. seq. w/ a_1=1, d not zero, so a_2, a_10, a_34 are 1st 3 terms of geo. seq
Replies
4
Views
1K
Denis
D
Z
find transition matrix from V=(9, 5), (6, 5) to W=(2, 8), (7, 9); verify w/ x=(5, 1)
Replies
1
Views
759
Zalachenko
Z
N
Exponential equations and logarithms
Replies
14
Views
2K
Steven G
Steven G
W
Hard progression: x0=1, x(n+1)=2x(n)+1, S(n)=x0+x1+...x(n). Find S(2018)
Replies
5
Views
1K
pka
pka
Ebba Sen Pai
Checking Quadratic Equation? x²+10x=-8 My solution is ±√(17) -5
Replies
4
Views
2K
Steven G
Steven G
S
How to find the range of polynomial functions without knowing extrema?
Replies
2
Views
1K
skeptipus
S
B
Linear Problem: A biologist wants to prepare a special diet for the animals.
Replies
4
Views
1K
tkhunny
tkhunny
A
how to simplify this radical fraction: 4th-root[ 225 / 81 ]
Replies
19
Views
3K
topsquark
topsquark
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