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Intermediate/Advanced Algebra
For more advanced algebra topics, including Algebra II and Pre-Calculus.
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N
How do I know if (8 λ - A) is invertible?
nicholaskong100
May 17, 2023
Replies
2
Views
207
May 17, 2023
Steven G
E
Olimpiad question: Aphiwe and Ben tried to solve ax^2+bx+c=0, but each made exactly one error in copying.
edrichcronje
May 14, 2023
Replies
1
Views
332
May 15, 2023
stapel
E
Olimpiad question: For how many different integers n will the expression (6n²+5n+4)÷n also be an integer?
edrichcronje
May 14, 2023
Replies
1
Views
315
May 15, 2023
stapel
E
Olimpiad question: John and Ben tried to solve the equation ax²+bx+=0.However, each made exactly one error in copying the equation.
edrichcronje
May 14, 2023
Replies
1
Views
311
May 15, 2023
stapel
S
Evaluate the value for the expression (sqrt(x))^(4*log_x(a))
suhasbadiger
May 10, 2023
Replies
3
Views
2K
May 15, 2023
NotJeffM
N
G
Help with piecewise functions: find "a" so y = 2x-1 for x <=4, a+5x, x>4, is continuous
GSM
May 10, 2023
Replies
6
Views
389
May 13, 2023
pka
R
Show that 1−x−x^n+x^(n+1) is exactly divisible by 1−2x+x^2
ronaldchenk12
May 7, 2023
Replies
8
Views
451
May 8, 2023
NotJeffM
N
J
Tide ? "A swimmer covers a distance of 112 miles on both legs...."
Johnny V
Apr 20, 2023
Replies
4
Views
255
May 7, 2023
limiTS
L
F
Please help me find out what group of sequence the number 2678 is in.
Felix_GG
May 5, 2023
Replies
5
Views
299
May 7, 2023
Dr.Peterson
W
(Is my solution correct?) Rate Word Problem: "Tom can build a bicycle in ten days. After four days,..."
wavewavewow
Apr 29, 2023
Replies
19
Views
798
May 4, 2023
skeeter
J
Half Life: Find a, R for geometric sequence for iodine-131 decay
joshdal9
May 3, 2023
Replies
1
Views
331
May 4, 2023
stapel
G
Find the Vertex form of f(x) = -4x^2 + 4x + 3
gamma_Juice
May 3, 2023
Replies
4
Views
308
May 3, 2023
stapel
P
What is the largest integer number a for which a³ + 25 is divisible by a + 5?
Pedrzi
Apr 29, 2023
Replies
7
Views
383
May 2, 2023
Steven G
V
Find the sum of all positive integer solutions less than 6 satisfying the inequality
Violette
Apr 13, 2023
Replies
14
Views
707
May 1, 2023
khansaheb
K
S
complex numbers: [e^{3pi i / 2} - e^{5pi i / 6}] / [e^{pi/2} - e^{5pi i / 6}]
selariathas
Apr 26, 2023
Replies
4
Views
348
Apr 28, 2023
stapel
C
Determine all positive integers n such that, for any natural number m ≥ 1, the following equality holds:
chibyston
Apr 24, 2023
Replies
5
Views
300
Apr 27, 2023
Dr.Peterson
R
Distance , Speed , Time ? "Toda , Jim walks from a to b & back @ a steady speed of 4 mph..."
Ronan1
Apr 21, 2023
Replies
3
Views
298
Apr 26, 2023
The Highlander
M
how do I expand this logarithmic equation? i have to expand log(100/x^2y)^2
moth345
Apr 24, 2023
Replies
2
Views
219
Apr 25, 2023
Dr.Peterson
J
Unsure if the answer is correct and if so, why?
Johnny+Mum
Apr 19, 2023
Replies
1
Views
225
Apr 25, 2023
Dr.Peterson
A
How do I simplify this pure trigonometric equation? sec^4(x) = tan^4(x) + 3tan(x)
Al-Layth
Apr 23, 2023
Replies
3
Views
432
Apr 24, 2023
khansaheb
K
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