Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
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How could I solve (3+4 (sqrt(3)) (x+y (sqrt(3)) =26 for rational x, y ?
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2
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838
HallsofIvy
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S
Simultaneous equations w/ linear and quadratic (substitution); e.g. x+y=8 and y=x^2
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4
Views
833
Simonsky
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P
Interpretation of Graph - Fcns of Polynomials: triangle area as sqr root of poly fcn
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2
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1K
mmm4444bot
mmm4444bot
I
Help: I need equations, domains, ranges, asymptotes, end behaviors of 3 graphs
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1
Views
834
mmm4444bot
mmm4444bot
Carrots
Just Another Inequality: Show that: (|a|+|b|)×(|b|+|c|)×(|c|+|a|)≥8×|a×b×c|
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3
Views
1K
Deleted member 4993
D
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Solving x + lg x = a, where "lg" is "log, base 2" (ans is "8" for a=11, but how...?)
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2
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1K
Crazy
C
R
Inequality 2: For a and b positive integers , show that a+b≤2ab
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1
Views
631
Dr.Peterson
Dr.Peterson
R
Inequality: Prove for every two positive integers a and b that (a+b)(1a+1b)≥4
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6
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5K
mmm4444bot
mmm4444bot
A
y^2 = (x+3)^2: But how do i go about making sense of y^2 = (x+3)^2 ?
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5
Views
889
apple2357
A
J
Periodic fcns w/ different periods: what is period of sum of the two periodic fcns ?
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3
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1K
jairo
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3
How to define the possible combinations of factorials if we take sentence with words?
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1
Views
961
Dr.Peterson
Dr.Peterson
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3rd degree fit, given 5 data points (math is needed for client)
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5
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1K
kepler
K
S
Solving algebraic fractions using quadratics
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4
Views
957
mmm4444bot
mmm4444bot
Q
Average speed of two speeds going the same distance
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2
Views
1K
Dr.Peterson
Dr.Peterson
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Calculate ratio of fractions which corrensponds with total ratio
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5
Views
1K
Denis
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Using quadratic equation to find diameter of base of cylinder
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5
Views
2K
Dr.Peterson
Dr.Peterson
U
Algebra: quick explanation needed :)
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3
Views
781
mmm4444bot
mmm4444bot
H
Modeling the length of a plank as a function of an indicated angle
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8
Views
2K
Deleted member 4993
D
T
Determine if vector is in span of other vectors
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1
Views
2K
HallsofIvy
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P
Need help figuring out relationship
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5
Views
932
mmm4444bot
mmm4444bot
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