Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
S
Help Finding Perfect Square Inequalities Practice Problems
Replies
10
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2K
spaceshowfeature1
S
J
Prove 0 + 0 = 0 (with properties and field axioms)
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5
Views
1K
Dr.Peterson
Dr.Peterson
C
Linear Algebra - Determining if a set is a basis for the indicated subspace
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2
Views
791
HallsofIvy
H
D
Rational expressions, eqns: If y is proportional to sqrt[x], y=6 when x= 1/4, then...
Replies
2
Views
815
Steven G
Steven G
A
did I solve this correctly? I get x = 1, 4 for (x^2 - 5x + 5)^3 = 1
Replies
18
Views
2K
TheOAP
T
V
Chinese Remainder Theorem: Find x such that x = 2(mod 3), = 5(mod 9), = 7(mod 11)
Replies
0
Views
522
vokoyo
V
T
Set notation feasible region to matrix vector form
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2
Views
1K
TheFallen018
T
D
Induction problem: Company ships sandwiches in boxes of 3 or 5 each.
Replies
4
Views
759
Denis
D
J
Pythagoras Theorem: If XY = 10 cm and YZ = 2XZ calculate the lengths of XZ and YZ
Replies
2
Views
2K
sinx
S
S
Calculate discrete value from a series of averages
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1
Views
562
Dr.Peterson
Dr.Peterson
M
Prove that Un = (2^n - (-1)^n)/3 is an odd number for all positive integers
Replies
2
Views
931
Masaru
M
K
Ellipse and tangent intersect: x^2 / 9 + y^2 / 25 = 1
Replies
1
Views
588
Deleted member 4993
D
K
Conic section, ellipse: x^2 / 4 + y^2 / 9 = 1 translated by vector [[a][b]] to get...
Replies
2
Views
670
ka923
K
D
Sum - please help
Replies
2
Views
689
JeffM
J
T
Simplify: Xt = Xt-1 [1- (1/n-t) - r]
Replies
11
Views
1K
Denis
D
S
Need Answers: If −7<x≤6 determine a and b for the inequality : a≤3x+8<b.
Replies
1
Views
1K
Dr.Peterson
Dr.Peterson
C
solve the linear equation for x and y: (5/9)x - 1/5 = y/6 + 8/15
Replies
1
Views
718
Dr.Peterson
Dr.Peterson
F
Given (2,3) (2, 5) (2, 11) (2, 17), find next three sets
Replies
7
Views
987
frappa
F
A
Is this a valid method for solving a^(2x)+ a^4= a^(x+1) + a^(x+3) ?
Replies
6
Views
947
Dr.Peterson
Dr.Peterson
K
Summation: Prove sum[r=1,n][6r^2+32r] = n(n+1)(2n+17)
Replies
3
Views
972
HallsofIvy
H
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