Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
T
Significant Figures in Mixed Operations Problem Driving Me Bonkers
Replies
10
Views
3K
Dr.Peterson
Dr.Peterson
T
Use Gaussian elimination to solve x+2y-z=-3, 2x-4y+z=-7, -2x+2y-3z=4
Replies
2
Views
907
stapel
stapel
L
Finding the value of x from drawings of triangles, etc
Replies
2
Views
1K
stapel
stapel
T
Gaussian elimination: last row is "0 0 -11 = -11"; how do I turn the 11 into a 1?
Replies
3
Views
755
mmm4444bot
mmm4444bot
H
Which of the following inequalities is true for all real values of x?
Replies
7
Views
3K
mmm4444bot
mmm4444bot
H
Word Problem: loan of $15,000, part at 8% interest, part at 16%; total interest...
Replies
1
Views
1K
stapel
stapel
P
I know the answer, but I cannot determine the formula
Replies
3
Views
1K
stapel
stapel
B
Arithmetic mean: every figure but 1st, last, is smaller than arith. mean of previous,
Replies
7
Views
1K
Dr.Peterson
Dr.Peterson
J
3-Digit Numbers & Their Reverses Divisible By 7
Replies
9
Views
3K
Dr.Peterson
Dr.Peterson
chris84567
Create a 3x3 grid of unique integers squared, each row, column, diag. must equal N
Replies
2
Views
1K
chris84567
chris84567
Q
Parameters of Domain and Range: "For F(x) = 2/x, the domain cannot be 0."
Replies
7
Views
1K
Dr.Peterson
Dr.Peterson
V
Adding and Dividing Piecewise Functions and their Domains?
Replies
2
Views
4K
mmm4444bot
mmm4444bot
R
Write f(x) = 20x - 9 - 4x^2 in the form f(x) = c + (ax + b)squared
Replies
4
Views
824
tkhunny
tkhunny
B
Trying to find an Equation: 13.5,25.1,29.5,25.3=-7.4
Replies
2
Views
1K
Benny@018
B
J
I just need to solve [(1.3214 - F) / F] * 360/120 = -0.0682 for F
Replies
1
Views
684
Deleted member 4993
D
J
HELP: “Express Perimeter of Triangle ABC in terms of X”
Replies
2
Views
852
mmm4444bot
mmm4444bot
O
Polynomial: (3z+2) is a factor of 3z^(3) - z^(2) + z(a+1) + a; find...
Replies
6
Views
2K
mmm4444bot
mmm4444bot
A
alternative way to solve work problem (thinking the t was a 1--presbyopia rampans)
Replies
7
Views
1K
allegansveritatem
A
DynV
Formula from table with operation restrictions
Replies
14
Views
2K
DynV
DynV
W
1.5 X + 2.5 Y + 3 Z greater than or equal to T?
Replies
5
Views
1K
WithoutFlags
W
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