Graphs of linear equations | Linear equations and functions | 8th grade | Khan Academy

Missed the previous lesson?

8th grade on Khan Academy: 8th grade is all about tackling the meat of algebra and getting exposure to some of the foundational concepts in geometry. If you get this stuff (and you should because you're incredibly persistent), the rest of your life will be easy. Okay, maybe not your whole life, but at least your mathematical life. Seriously, if you really get the equations and functions stuff we cover here, most of high school will feel intuitive, even relaxing. (Content was selected for this grade level based on a typical curriculum in the United States.)

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s 8th grade channel:

[emily]

math, please do us all a favor and solve your own problems

[Fc_Itachigorillalegend]

Anyone else here because their math teacher can’t teach 🤦🏿‍♂️

[raestarzz]

POV: you weren't paying attention in math class

[worldwhitneyincorp]

This educates me better than my school

[masteryoda]

Why does this guy do the lesson so fast and easy to understand in like less than 30 minutes when the real math teachers take a full period to talk about 1 lesson.

[ljaquos]

The odd thing is, I'm a college student. I'm here as a refresher for our quiz today. XD

[markjamesrookiemolina]

Fun fact: you're here because of module or exam or quiz or online class.😂😂😂

You're not alone....

[laureng]

In 2 and a half minutes, I understood how to do my homework. I didn't get it after nearly 40 minutes of my teacher explaining the lesson. Thank you, Mr. Sal, for doing what you do!

[sayjironimo]

It's summer break in my country and I am still learning math.

End my life

[thebees]

I'm watching this because my school is closed from Coronavirus and I don't understand the lesson XD

[miriam]

This video has saved my life, thank you soo much💖
Math test tomorrow 😁

[orianiluna]

ughh I don't understand I'm so confused 😢😭I wanna cry

[robm]

Thanks to my loud classmates I couldn't hear my math teacher and at the end of the day I didn't learn anything in math😭😭 -2020

[yourmathtutorvids]

Khan academy has inspired me so much to start my own algebra channel! 👌

Every student should be able to understand their classes

[mamamiya]

This is why people on youtube are better teachers

[mothysjar]

I’m a sophomore, but man has linear relations kicked my but this year. I’m watching this to help me for my exam tomorrow

[abud]

what grade do you take this is, I'm taking it in 8..

[donthatemebcimbeautiful]

im not joking when i tell u this literally saved me

[akage]

I know I'm not the only one thinking that out of all the mathematicians there isn't an easier way to do algebra?

[brycejohansen]

You could get a more accurate answer from the kg/pounds conversion by creating a formula using rise/run, 20/9*k = p to convert kg to pounds then flip this into 9/20*p=k to convert kg to pounds.
A) 8.89 pounds
B) 20 pounds
C) 5.4 kg
D) 7.65 kg