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Beginning Algebra
Specifically for introductory questions about algebra (Algebra I).
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Absolute Value Inequalities
k.future.surgeon
Jul 16, 2018
Replies
3
Views
347
Jul 16, 2018
Dr.Peterson
W
I need help w/ "If f(2) = -5 and f(-4) = 3, what is the value of f(9)?", ...
Wheaties
Jul 14, 2018
Replies
2
Views
442
Jul 15, 2018
HallsofIvy
H
I
If a² = b² + c² then how to cal calculate a = b + C?
Indranil
Jul 11, 2018
Replies
7
Views
919
Jul 13, 2018
JeffM
J
D
Easy One Guys
Diamond-Leopard
Jul 10, 2018
Replies
3
Views
367
Jul 11, 2018
HallsofIvy
H
D
Need Eqn for shop: cost $X, sell at £Y; Y reduced by 15% & £3; should equal £Y
Diamond-Leopard
Jul 9, 2018
Replies
1
Views
377
Jul 9, 2018
stapel
O
Quadratic factoring w/ 3 brackets: solve (x^2 - 4) - 2(x -2)(x - 1) = 0 w/o expanding
Oxygenthief
Jul 7, 2018
Replies
4
Views
560
Jul 8, 2018
mmm4444bot
I
How many significant digits are in 1040. and 1040.0?
Indranil
Jun 23, 2018
Replies
12
Views
1K
Jul 6, 2018
Denis
D
S
Finding proportions of simple shapes using algebra
Simonsky
Jul 6, 2018
Replies
8
Views
588
Jul 6, 2018
Dr.Peterson
I
Why sinx.sinx = sin²x not sin²x²?
Indranil
Jul 6, 2018
Replies
3
Views
577
Jul 6, 2018
Dr.Peterson
T
Word problem: At 6am, 2 ships leave a port, one going S at 18kph, other going W at 23
Therese0904
Jul 5, 2018
Replies
2
Views
556
Jul 5, 2018
Jomo
A
If f(x)=f(x-1)+5x and f(1)=2 then how to find f(20)?
AlphaCentauri
Jul 4, 2018
Replies
4
Views
562
Jul 4, 2018
TomHE
T
I
If x^2 = root (y), then how to calculate the value of x?
Indranil
Jul 2, 2018
Replies
16
Views
1K
Jul 3, 2018
mmm4444bot
M
Very difficult question: Resolve x^8 + y^8 into real quadratic factors.
MathsLearner
Jun 18, 2018
Replies
7
Views
668
Jul 2, 2018
JeffM
J
I
If y^2 = 4, then why do we get two values +2 and -2 of 'y'?
Indranil
Jul 2, 2018
Replies
3
Views
304
Jul 2, 2018
tkhunny
I
Why X^(1/2) = root X and X^(-1/2) = 1/root x?
Indranil
Jun 29, 2018
2
Replies
21
Views
2K
Jul 2, 2018
Indranil
I
D
Is this a valid expression? x/x-1 = 1/x-1 It would appear that x=1 but that would...
dogleg
Jun 28, 2018
2
Replies
21
Views
1K
Jun 30, 2018
dogleg
D
I
If f = A (dv/dx), then how to calculate the value of f?
Indranil
Jun 28, 2018
Replies
11
Views
716
Jun 29, 2018
Jomo
S
When to use x^2 coefficient in bracket and when to factorise outside bracket
Simonsky
Jun 22, 2018
Replies
11
Views
936
Jun 26, 2018
Dr.Peterson
B
Simplify the Surd (3+2sqrt(5))/sqrt(5): my answer is (3sqrt(5) + 10)/5
bumblebee123
Jun 19, 2018
Replies
4
Views
542
Jun 26, 2018
bumblebee123
B
B
finding the value of this equation: find the value of m when : sqrt(128)= 2^m
bumblebee123
Jun 25, 2018
Replies
1
Views
340
Jun 25, 2018
MarkFL
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