Algebra - Absolute Value Inequalities
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- Опубликовано: 25 авг 2024
- Absolute value is always positive, so why not take a lesson from it and always be positive too? Absolute value inequalities are somewhat challenging, no matter how positive you're feeling. We investigate bifurcation and other scenarios. Good energy for this lesson, YAY MATH!
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I LOVE that the kids were so engaged!! This teacher makes the students LOVE to learn and it makes it so much more fun to learn with them.
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The square bracket means "include" that number. The rounded parenthesis mean "don't include" that number. I hope this helps!
You've clearly and cleverly explained about the absolute/inequalities. You are an excellent teacher and thank you!
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opps sincerely.. lol
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I learned more from this than an hour in math class. Thanks man, got a test on RI,QI, and AVI.
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Great explanation of "or" and "and" with non-math related examples.
Thank you! I think that definitely helps, to use life examples students can wrap their minds around.
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preach
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Your are a fantastic teacher. I really enjoy your lessens. You make it seem simple.
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That one moment you wish you had a teacher like this... Oh, wait, that's all the time.
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That means your lines are extending from 8 to infinity (positive infin), and your other line is extending from - infinity to -5.
I always watch your videos when I need help in math, you really saved me here LOL thanks so muchhh
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take pics and upload
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This helps me a lot!!! Awesome teaching and interesting!
Thank you! Great Teacher!
You can also write the "And" problemes like -12 > x > 12
YOU ARE AMAZING! Thank you! This helps so much!
thank you for being a good teacher. really helped
Okay, you lost me on the last part but overall great video! Keep up the good work!
Hmmm I'm not so sure about the problem starting at around the 22 minute mark.
|5x| < -7 does have solutions. It's either 5x < -7 and 5x > 7 which simplifies to
x < -7/5 or x > 7/5
This was very helpful...
Can you explain the brackets and parenthesis way to right these?
I will very gratefull to u for this favour
Open means that on of them is greater or less than and not equal to. Close means that they are greater or less than or equal.
Have you thought about making this an open resource? RUclips will let you (and then I could show it off when I do a presentation about OER)...
It all makes sense now
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Wish I had you as a teacher make math seem easier
I like how you teach math. My younger and I actually understand what math you go through. Right now, we are on absolute value ptoblems. It makes sense now. I do have a question about the ones where all real numbers are the answer. So, you don't have to plot the two points that you get when you solve the two equations?
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17:30, "Mr. Smith is a Genius"
So how would you solve something like -2 > 3(x+1) + 1 ≤ 2 ?
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why is the expression inside absolute values signs taken out
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THANK YOU for this! Absolute values confused me so much!
The last inequality, when he subtracted 10 from both sides, the sign should have flipped right? since it was
No. You only flip the sign when you multiply or divide both sides by a negative number.
Danielle Byrd Cool. Thanks
thanks sir
how to learn thank you
why did he not change the sign to positive 7 on the last problem? He kept it as 5x > -7. I thought whenever you change the inequality sign you have to change the number sign.
How would you solve │x^2+4│≥ 5x ?
Sir, my doubt is, your trick doesn't somehow apply to this problem ((x^2-7|x|+10/(x^2-6x+9))
Hi, syudent from the UK, long time watcher first time commenter. I have a math exam tommorow and I was wondering: what is the best way to recall information? I ask because I seem to forget pretty quickly, which may be because I am a workoholic.
thanks for the videos :)
at 26:21 was confusing me because i thought you didn't change the sign, but it should read -3 + -10 = -13
Well well well hello there
Hey there
Hlo sir I just wanted 2 ask that this topic is for the student of which standard or for which year student
Great
is that interval notation??
your kids are great too.
yes
13:09 14:18 17:13 28:40
im confused on what way the lines are shaded on the number line :/
may u please make a video for 3d geometry.
Can you put some key notes sometimes on hard topics in you descriptions please?
HighFiveGuy13 Hi HighFiveGuy! All notes available on yaymath.org, under Videos. Thank you for asking!