Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
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Can someone help me understand how x-x1 = L*(x2 - x) equals x = (x1 + L * x2) / 1 + L
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5
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1K
tkhunny
tkhunny
T
Interpolation: We consider the function f (x) = (sin (x)) ^ 2...
Replies
3
Views
1K
HallsofIvy
H
T
Subset Set Theory Help
Replies
8
Views
2K
Steven G
Steven G
O
Solving exponential problems without calculator
Replies
2
Views
774
ksdhart2
K
A
Common tangent to two parabolas
Replies
6
Views
5K
JeffM
J
A
Modelling curves using logarithms...
Replies
1
Views
1K
Dr.Peterson
Dr.Peterson
M
Help give some hint on this word algebra question
Replies
4
Views
2K
Mathological
M
I
Restrictions in Radical Equations
Replies
9
Views
12K
idtoms
I
M
Algebra of the uncertainty: IS zero a number? Has anyone ever counted n reached zero?
Replies
3
Views
1K
Mbole Ancelme Nkefor
M
R
Combinatorics
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
M
Algebra problem confused by teacher's working
Replies
3
Views
1K
Steven G
Steven G
F
Can someone point me in the right direction?
Replies
3
Views
941
Steven G
Steven G
A
Modelling radius of spherical balloon as it is inflated
Replies
4
Views
1K
apple2357
A
A
Is 4a^3+5a always a multiple of 3 for positive integers?
Replies
11
Views
3K
apple2357
A
Q
Composition of functions
Replies
1
Views
696
Deleted member 4993
D
T
Subset Help Set Theory: Given A = {2, {4, 5}, 4}, consider the following...
Replies
6
Views
1K
Steven G
Steven G
D
Sum, Product of Roots alpha, beta of 4x^2 - x + 7 = 0
Replies
3
Views
974
MarkFL
MarkFL
H
(f/g)(x) x cannot be equal to -8. Why?
Replies
3
Views
910
JeffM
J
D
Absolute Value equations: "if B greater than or equal to 0 then A=B or A=-B"
Replies
13
Views
2K
lev888
lev888
J
Write A=[[-3 4 4][0 2 0][-2 1 3]] in PBP^-1 form where B is a diagonal matrix
Replies
0
Views
579
Jonas
J
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