Algebra – Solving Inequalities

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There is a now-famous rule about switching the inequality sign whenever multiplying or dividing both sides by a negative. But why? In another special video of Yay Math in Studio, we go over the rule, then apply it to solve several inequalities. The number line comes up too, so we explore that.

Then, we go over some expressions that come up in word problems, such as what "at least, at most, no more than" and "no less than" mean with inequality signs. YAY MATH!

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we need more people like you in the world

janetsoriano

You are funny ...best of all, easy to understand math with you. I wish you were my math teacher!

MrMsMe

Im honestly astonished on how simple my math teachers could've taught inequalities

fifahmmkad

Wow multiplying by (-1) really demonstrates the reason why we have to flip the sign, thank you sir!

happycakes

I have to say, actually explaining why a function works a certain way instead of forced memorization works so much better to learn a topic👍

secondwind

I wish you had been my maths teacher. You are crystal clear in your explanations. Have a day and please continue to make these videos.

alfredsolari

It’s sad that we come back to videos like these on YouTube. And ppl wonder why teachers don’t get paid much. But I hope he does Bc he’s awesome!!!!

liza.j

honestly, I've never had so much fun learning about inequalities. Seriously though, great content and even better tuition. Good job!

grahamkerr

Did he just say Whatup? That was the best way to start a video, no wonder I replayed twice. He is so entertaining to watch yet he gets to the point. I wish you were my teacher! You are so funny & you teach very well. Also, wouldn't at least mean less because how can you guess you have more than what you think you have rather than underestimating, @yaymath?

sheamendes

Thank you! I'm trying to go after my GED and Math is all that I have left to achieve. This helped! Thank you!

Opethianaut

I love your logical explanation! This is a great video... I think we've watched this at least four times. Yay Math!!!

wendyoffroad

I just passed my math test for the GED today. Your videos really helped me achieve the math. Thank you and God bless you.

iamlazarow

Thank you so much, you helped me understand this so much easier than other videos. You are also a good entertainer as a teacher. You are a great help.

ninjanina