Beginning Algebra

Specifically for introductory questions about algebra (Algebra I).
B
Rearrange Equation Q = AD^2 x BD^{2/3} To Find D
Replies
2
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921
Denis
D
S
quadratic equation: I factor as 6x^2 + x - 2, but book says (2x - 1)(3x + 2)
Replies
13
Views
2K
JeffM
J
S
polynomials: why must polynomials be ordered by degree in order to properly divide by
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2
Views
1K
Dr.Peterson
Dr.Peterson
I
Reciprocals of integers, sides of right triangle: least possible sum of integers
Replies
1
Views
1K
Denis
D
B
Algebraic manipulation: Factorise 9x^2 -1; hence, factorize 899, 8.99 x 10^4
Replies
5
Views
2K
sinx
S
B
Find the equation of the line through (3,7); parallel to 3x-y=1.
Replies
5
Views
1K
dtrud
D
T
algebra by stages
Replies
2
Views
978
tryingtoexcelatmath
T
I
Why delta Sn = Sn - S(n-1)?
Replies
7
Views
2K
Indranil
I
A
How to find the value of k in (k-5)x+(4k^2-9)y+(6k^2-7k-3)=0 ?
Replies
8
Views
1K
AlphaCentauri
A
H
Clearing Fractions Problem
Replies
1
Views
1K
Deleted member 4993
D
M
How do you come up with mathematical models?
Replies
1
Views
858
Dr.Peterson
Dr.Peterson
I
How to determine 'even number' or 'odd number' in the significant figure?
2
Replies
29
Views
6K
Indranil
I
B
Find the equation of the line through (3,8) and parallel to y=4x-8
Replies
4
Views
1K
blake322
B
J
Inequalities Algebraic Conventions: Why is it incorrect to write "-2 > x > 2"?
Replies
5
Views
1K
Steven G
Steven G
M
m=3^n is given expressions 81^(2n+9) in terms of m
Replies
5
Views
921
mmm4444bot
mmm4444bot
R
Formula to weigh an average (currently is 61.76%; needs to be 75%)
Replies
10
Views
2K
Dr.Peterson
Dr.Peterson
D
Math word problem help: Sales in year x given by S(x) = 210x + 500
Replies
2
Views
1K
Steven G
Steven G
M
I need help about a poly descomposition: [(x^2-x-21)/(2x^3-x^2+8x-4)]
Replies
2
Views
943
Dr.Peterson
Dr.Peterson
P
Age word problem three variables: In 2006 Becky is 2.5 times Anna's age, Mary is 2X
Replies
2
Views
1K
Denis
D
A
Rearranging equation 1.4=(Delta e/1.9619 + Delta e) * 19.5 to solve for Delta e
Replies
8
Views
1K
mmm4444bot
mmm4444bot
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