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Intermediate/Advanced Algebra
For more advanced algebra topics, including Algebra II and Pre-Calculus.
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College Algebra: "The surface area S of a hot-air balloon is given by S(r)=4(pi)r2 where..."
absofruitlyt
Oct 23, 2023
Replies
3
Views
345
Oct 24, 2023
Steven G
H
Functions are confusing. Why is log(x - 2) + log(x + 2) not the same function as log(x^2 - 4)?
Helenam
Oct 18, 2023
Replies
10
Views
534
Oct 23, 2023
Helenam
H
B
Can anyone teach me how do you get from right side to left side equation?
bbqqcc123
Oct 21, 2023
Replies
5
Views
311
Oct 22, 2023
bbqqcc123
B
D
Prove A is invertible iff A^T is invertible and, in that case, (A^{-1})^T = (A^T)^{-1}
DJKHALID$
Oct 17, 2023
Replies
15
Views
708
Oct 21, 2023
Steven G
K
Find the value of k for which equation (x+2)(x+k)=-9 has equal roots
Keai01
Oct 17, 2023
Replies
3
Views
293
Oct 20, 2023
Dr.Peterson
0
Arg vs arg: Let z = (1 - 7i)/(3 + 4i). Express z in the form a + bi. Find Arg z^2.
0.5KV^2
Oct 13, 2023
Replies
5
Views
382
Oct 19, 2023
pka
T
Finding complex factors of 9z^3 - 18z^2 + 5z - 10 = 0, given z - 2 is a factor.
tpupble
Oct 18, 2023
Replies
1
Views
305
Oct 18, 2023
Steven G
Sequence induction proof: u_0 = 3, u_n = (u_{n-1} + 2n^2 - 2)/(n^2) for N*
Qwertyuiop[]
Oct 15, 2023
Replies
14
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572
Oct 17, 2023
Dr.Peterson
T
Finding the complex roots of an equation: z^2 - 4 cos(alpha) + 4 = 0, 0<alpha<pi/2
tpupble
Oct 15, 2023
Replies
2
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447
Oct 15, 2023
pka
T
Simplify 5√2 x √8 / 2√2
Tserro
Oct 8, 2023
Replies
5
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360
Oct 10, 2023
Dr.Peterson
W
Calculating Continuous Decay
wendy218
Oct 9, 2023
Replies
2
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384
Oct 10, 2023
Dr.Peterson
W
Using a Graphing Calculator to Find an Exponential Function
wendy218
Oct 9, 2023
Replies
1
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320
Oct 10, 2023
stapel
sequence question
Qwertyuiop[]
Oct 9, 2023
Replies
7
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431
Oct 9, 2023
topsquark
Show that a sequence is bounded above
Qwertyuiop[]
Oct 8, 2023
Replies
6
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364
Oct 8, 2023
blamocur
Prove that a sequence is increasing: u(n) = (4n^2 + 1) / (n^2 + 1)
Qwertyuiop[]
Oct 6, 2023
Replies
9
Views
504
Oct 7, 2023
Steven G
G
Maths Problem of Simultaneous Equations: "Each week the junior civil servant in Downing Street wheels a suitcase...."
Gavin300
Oct 3, 2023
Replies
9
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419
Oct 7, 2023
Dr.Peterson
C
Help
ceceliaschmitch
Oct 4, 2023
Replies
3
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280
Oct 5, 2023
khansaheb
K
I must be tired, real tired
Steven G
Oct 2, 2023
Replies
11
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504
Oct 3, 2023
JeffM
J
A
Understanding quadratic inequalities: 2 questions about solution for 2x^2+1 > 4x
Alex McCaile
Sep 28, 2023
Replies
4
Views
430
Oct 2, 2023
Alex McCaile
A
W
The concentration C of a drug in a patient’s bloodstream: use a calculator to approximate...
wendy218
Sep 29, 2023
Replies
6
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1K
Sep 30, 2023
Dr.Peterson
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