Adding and subtracting rational expressions | Algebra II | Khan Academy

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Adding and Subtracting Rational Expressions

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Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

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.

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why can i understand everything you just did but i have no clue whats going on in class

dostream
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It is so nice in this day and age to have internet. When I graduated high school in 1994, we didn't get the luxury of being able to get math help like this. Now that I'm back in college, this has helped me so much. Thank you Khan Academy!

squrrelgirl
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thank the lord for you, my teacher cant teach and makes stuff so complicated.

KaliseBOSSIN
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Well... Looks like I'm failing my test tomorrow

fragban
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I just want to say thank you so much for these videos. You are a great teacher and I am sure it is because you enjoy being an educator. I sit in class struggling, paying as close attention as possible and don't get it in three hours, but I watch your 8 minute video and understand perfectly. Thank You!

mrjesseanthony
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You are seriously the greatest math teacher on this planet. From the bottom of my heart, THANK YOU SMART MAN!

reyneezyfosheezym
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Any struggling failure freshmen like me around? Everyone in my class is literally so smart and I'm here failing everything👏🏼

hngykfc
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You are better than my teacher, he makes complicated things.

MrME
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EXCELLENT-- Learned a great deal. Thank you for going in detail step-by-step. Super presentation. THANK YOU FOR SHARING YOUR EXPERTISE!!!!

charlesrlassiter
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Khan academy is the best math channel, thanks so much for the help; we all appreciate it!

simplyforfun
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brilliantaksan
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You are a savior in these confusing online classes

pokimonmane
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thank you! this really helped me a lot on my assignment!

jcjosol_
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THANK YOU SO MUCH FOR MAKING THIS VIDEO NOW I CAN PASS MY QUIZ

paoloansis
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Khan Academy: You can learn anything!
Me: No comprendo.

alyssapowell
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ssammarra
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Ah i am still confused but you explain algebra 2 better than my teacher!! Thanks :)

rachelzachary
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OMG thank you thank you!!!
i was dying to learn this, i have an exam and i didn't know what to do, you saved my ass bro, god bless you and YouTube.

ZHEER
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Sir your way of teaching is very hard-core

Shreya-jocp
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samyapatel