Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
C
i need help with the equation 2^x-1=6y
Replies
5
Views
1K
coolinhi256
C
N
How do I know if (8 λ - A) is invertible?
Replies
2
Views
659
Steven G
Steven G
E
Olimpiad question: Aphiwe and Ben tried to solve ax^2+bx+c=0, but each made exactly one error in copying.
Replies
1
Views
882
stapel
stapel
E
Olimpiad question: For how many different integers n will the expression (6n²+5n+4)÷n also be an integer?
Replies
1
Views
863
stapel
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.
Replies
1
Views
785
stapel
stapel
S
Evaluate the value for the expression (sqrt(x))^(4*log_x(a))
Replies
3
Views
6K
NotJeffM
N
G
Help with piecewise functions: find "a" so y = 2x-1 for x <=4, a+5x, x>4, is continuous
Replies
6
Views
1K
pka
pka
R
Show that 1−x−x^n+x^(n+1) is exactly divisible by 1−2x+x^2
Replies
8
Views
1K
NotJeffM
N
J
Tide ? "A swimmer covers a distance of 112 miles on both legs...."
Replies
4
Views
1K
limiTS
L
F
Please help me find out what group of sequence the number 2678 is in.
Replies
5
Views
1K
Dr.Peterson
Dr.Peterson
W
(Is my solution correct?) Rate Word Problem: "Tom can build a bicycle in ten days. After four days,..."
Replies
19
Views
3K
skeeter
skeeter
J
Half Life: Find a, R for geometric sequence for iodine-131 decay
Replies
1
Views
1K
stapel
stapel
G
Find the Vertex form of f(x) = -4x^2 + 4x + 3
Replies
4
Views
1K
stapel
stapel
P
What is the largest integer number a for which a³ + 25 is divisible by a + 5?
Replies
7
Views
1K
Steven G
Steven G
V
Find the sum of all positive integer solutions less than 6 satisfying the inequality
Replies
14
Views
2K
khansaheb
K
S
complex numbers: [e^{3pi i / 2} - e^{5pi i / 6}] / [e^{pi/2} - e^{5pi i / 6}]
Replies
4
Views
1K
stapel
stapel
C
Determine all positive integers n such that, for any natural number m ≥ 1, the following equality holds:
Replies
5
Views
999
Dr.Peterson
Dr.Peterson
R
Distance , Speed , Time ? "Toda , Jim walks from a to b & back @ a steady speed of 4 mph..."
Replies
3
Views
888
The Highlander
The Highlander
M
how do I expand this logarithmic equation? i have to expand log(100/x^2y)^2
Replies
2
Views
772
Dr.Peterson
Dr.Peterson
J
Unsure if the answer is correct and if so, why?
Replies
1
Views
916
Dr.Peterson
Dr.Peterson
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