Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
T
Help with quadratic function reasoning
Replies
2
Views
417
Steven G
Steven G
B
How do you simplify rational expression (x^2 - 1)/(x^2 - 2x - 3) ?
Replies
1
Views
378
Harry_the_cat
Harry_the_cat
C
Need Help making a formula: "Hubble’s constant is caused by the division of empty space...."
Replies
2
Views
717
Cjwilli1
C
B
If a1, a2, a3, …, an-1 are in arith. progression, prove that 1/(a1 an) + 1/(a2 an-1) + 1/(a3 an-2) + ... +1/(an a1) = (1/a1 + 1/a2 + ... +
Replies
9
Views
2K
babulkar
B
B
Sets: Show that, if the choice set C consists of the bundles W,X,Y,Z (i.e., C = {W,X,Y,Z}), and the preference relation is complete and transitive,...
Replies
1
Views
709
HallsofIvy
H
C
Modeling projectile motion with H = -16t^2 + vt + h, v is initial velocity, h is initial height
Replies
1
Views
1K
Otis
Otis
O
Let x_1, ..., x_n be in [-a, b], a,b>0. Suppose x_1 + ... + x_n = 0. Prove x_1^2 + ... + x_n^2 <= nab.
Replies
1
Views
436
MarkFL
MarkFL
A
why are there imaginary solutions to equation "x^4 = 256"?
Replies
11
Views
2K
allegansveritatem
A
B
"Marcos and Jennifer want to paint over the graffiti on a wall of a building...."
Replies
4
Views
643
MarkFL
MarkFL
D
Consider the arithmetic progression: 2+5+8+11+14+···. State 1st term, common difference. Find 50th term. Calculate...
Replies
5
Views
1K
MarkFL
MarkFL
G
Using the product rule to simplify √(45x^2) (don't understand the process or why absolute value is used)
Replies
6
Views
2K
Otis
Otis
M
[SOLVED] Solve z^4 = (-4i)^2 in trig form, and express on complex plane
Replies
4
Views
678
HallsofIvy
H
V
Is my interpretation of this question about runtime algorithms correct?
Replies
14
Views
1K
Dr.Peterson
Dr.Peterson
S
Prove that numbers in the form of 2^k + 1 are not prime numbers. For example 2^{2017} + 1
Replies
4
Views
815
ksdhart2
K
M
Can somebody please check my work? "Solve equation z^4=(-4i)^2 and show results on complex plane."
Replies
5
Views
657
Marija
M
F
Let B be a B-tree of order m, containing N items. Prove by induction that B has N+1 leaves.
Replies
0
Views
473
ferrari_M
F
A
what's happening here? (printed area v. blue margins: my answer works, book's answer doesn't)
Replies
13
Views
1K
Steven G
Steven G
N
Need help with a 'x' and 'y' axis based question (Television screen sizes)
Replies
2
Views
1K
Harry_the_cat
Harry_the_cat
M
Compare cardinalities: | (0,1) | = | (0,2] ∪ (4,7) |
Replies
7
Views
1K
pka
pka
M
How to find the quadratic equation of best fit for five points in the shape of a parabola?
Replies
3
Views
1K
JeffM
J
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