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M
mrtwhs
replied to the thread
Struggling with The Quadratic Formula excercises.
.
The first thing you need to do is read the quadratric formula correctly. Correct is \dfrac{-b \pm \sqrt{b^2-4ac}}{2a} What you are...
May 31, 2026
I
irfanakademisi
posted the thread
QUESTION 1
in
Pre-Algebra
.
QUESTION 1 Which of the following is not a factor of the algebraic expression xy (x + 3)^2 - x^2 y (x + 3) + xy (x + 3) \text{A)...
May 31, 2026
K
King Friday
posted the thread
Struggling with The Quadratic Formula excercises.
in
Beginning Algebra
.
I'm having a hard time with Problem 3. (I just went from Problem 1 to Problem 3 since I don't think it makes a difference and indexing...
May 31, 2026
K
King Friday
replied to the thread
Self-learner path.
.
I am 68 years old and studying high school Algebra at home with an online course on Udemy. My hope is a progress to Pre-Calc and...
May 31, 2026
Dr.Peterson
replied to the thread
prism
.
Here is Google's translation of the questions, which differs a little from what you said: A. Write down the dimensions of the various...
May 30, 2026
The Highlander
replied to the thread
Self-learner path.
.
The OP mentions here that s/he is 68 years old; I expect that probably narrows down the options. 😊
May 30, 2026
The Highlander
replied to the thread
prism
.
I would regard these as three distinct (different) prisms each constructed using the six rectangles in your question... but I haven't...
May 30, 2026
shahar
reacted to
mrtwhs's post
in the thread
prism
with
Like
.
Your prism (actually right rectangular prism) consists of two 3 x 4 rectangles, two 3 x 9 rectangles, and two 4 x 9 rectangles. As long...
May 30, 2026
M
mrtwhs
replied to the thread
prism
.
Your prism (actually right rectangular prism) consists of two 3 x 4 rectangles, two 3 x 9 rectangles, and two 4 x 9 rectangles. As long...
May 30, 2026
shahar
posted the thread
prism
in
Geometry and Trig
.
i need help by understanding how to answer part b(ב) of the question: There is prism. 1.a.(א) write the measures of the rectnagle that...
May 30, 2026
jonah2.0
replied to the thread
Self-learner path.
.
Beer induced query follows. Algebra 1 & 2? Studying it as in a High School setting or as in reviewing/studying it on your own? Not too...
May 29, 2026
A
apple2357
reacted to
mrtwhs's post
in the thread
Second derivative?
with
Like
.
To be an inflection point, there must be a change in concavity. Neither the first derivative nor the second derivative has to exist at...
May 29, 2026
A
apple2357
reacted to
Dr.Peterson's post
in the thread
Second derivative?
with
Like
.
It isn't always easy to visualize the second derivative, even from a very accurate graph, much less a "sketch". Here (red) is x^(5/3)...
May 29, 2026
A
apple2357
replied to the thread
Second derivative?
.
Thank you. So to clarify: If a curve flattens or straightens near a point, i normally assumed the second derivative was zero there (...
May 29, 2026
Dr.Peterson
replied to the thread
Second derivative?
.
It isn't always easy to visualize the second derivative, even from a very accurate graph, much less a "sketch". Here (red) is x^(5/3)...
May 29, 2026
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