Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
shaharhas
pathalogical "families" of geometric+algebraic series
Replies
1
Views
638
shaharhas
shaharhas
D
How to get the X-intercept
Replies
5
Views
692
Dr.Peterson
Dr.Peterson
J
X-Intercepts of Absolute Value Function y = 2 |x - 3| + 1
Replies
4
Views
586
JohLo
J
C
The first term of a geometric progression is 3 and then common ratio is r, where |r|<1.
Replies
10
Views
887
cired2002
C
A
Completely lost: airplane flies N @ 200mph, other flies E @ 400mph; when 500 mi apart?
Replies
3
Views
931
Denis
D
H
Converting Trig Parametric equations for ellipse to cartesian equation
Replies
8
Views
958
H.Bisho18
H
J
Logarithms: Weight W = Fat Free Mass (FFM) + Fat Mass (FM), formula FFM(t) = kln(FM(t)/m)
Replies
4
Views
718
Jon Trainer
J
S
The final one! ...AB is a rigid rod in an upright position and at its end B is a flexible rope....
Replies
3
Views
544
MarkFL
MarkFL
M
Formula Assistance: Take any two digit number (the two digits should be different). Write down all the different arrangements of the digits....
Replies
8
Views
1K
Steven G
Steven G
N
I'm a bit stuck: IF: X² + 1/X² = 48 and X + 1/X = 7 then prove that X³ + 1/X³ = 329
Replies
12
Views
836
neilvanas
N
W
add 6.5% interest to $1000 loan, then divide it over 36 months, initial pymt $5; evenly increase pymts
Replies
13
Views
1K
Denis
D
S
Finding Average of age-groups, given numbers in each age bracket
Replies
5
Views
466
stormmt
S
A
Is this even possible? Woman runs N @ 6-min-mile pace, then S @ 7-min-mile pace; find total miles.
Replies
9
Views
899
Dr.Peterson
Dr.Peterson
P
Help please with: Solve equation ((2X)^2)/2 + X - X^2 = Y for X=.
Replies
10
Views
689
Dr.Peterson
Dr.Peterson
A
is this a way to work this out? Solve S = pi r sqrt{r^2 + h^2} for h
Replies
10
Views
3K
Dr.Peterson
Dr.Peterson
D
Need help solving: Velocity v(t) = -e^{kt}(k cos(2pi f t) + 2pi f sin(2pi f t)), k = 0.5s^{-1}, f = 2Hz.
Replies
11
Views
2K
Dr.Peterson
Dr.Peterson
A
Vertex A of square ABCD is at (22, 10). BD lies on 4y - 3x = 24. B closer than D to origin. Find....
Replies
4
Views
1K
pka
pka
G
Vectors: You are given two planes in parametric form....
Replies
3
Views
557
pka
pka
A
an apparently arcane question: using Quadratic Formula when b^2 is large in comparison to ac
Replies
6
Views
608
allegansveritatem
A
C
Proof by Induction: Recursively Defined Sequential Set
Replies
3
Views
680
HallsofIvy
H
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