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Recognizing a perfect square quadratic | Algebra II | Khan Academy

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Khan Academy

Khan Academy

14 жыл бұрын

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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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Пікірлер: 15
@shaydennaidoo4036
@shaydennaidoo4036 3 жыл бұрын
When you learn it one method and another method confuses you
@xcodydoe
@xcodydoe 9 жыл бұрын
Ty
@Nircode
@Nircode 2 ай бұрын
For those who are struggling with the concept: Keep in mind that the coeffecient of x is not 1 so in a scenario such as this, we can interpret it as follows: (my digit 2 is intended to be a superscript where necessary) (ax+b)2= (ax+b)(ax+b) This comes down to: a2x2+2abx+b2 in the equation 9x2-42x+49 , we can use the above formula to help us: a2=9 , a= plus or minus 3 b2=49 b= plus or minus 7 2ab=-42 ab=-21 for us to come up with a negative, we must multiply one positive and one negative: In this case I choose, 3 and -7 so (ax+b)2= (3x-7)2 Let's Keep learning
@abigailb9225
@abigailb9225 3 жыл бұрын
I hate everything. 🙆
@walterkun412
@walterkun412 3 жыл бұрын
I'm with you
@mukeshkumar-ey1ge
@mukeshkumar-ey1ge 3 жыл бұрын
You can't hate call of duty doe
@TheNjones37
@TheNjones37 11 жыл бұрын
email a math teacher... lol
@sweetgirl94949
@sweetgirl94949 12 жыл бұрын
dont get thiis
@ihatecrazy4164
@ihatecrazy4164 3 жыл бұрын
You’ll get it soon enough
@desajusty
@desajusty Ай бұрын
Nah I’d bhaskara’d it - Gojo Mathoru
@imlowkeygood8601
@imlowkeygood8601 3 ай бұрын
isnt it + and - 7/3?
@TheNjones37
@TheNjones37 11 жыл бұрын
Dont comment @rrobertsnot5150
@jainashish4485
@jainashish4485 3 жыл бұрын
Bakwas
@TheNjones37
@TheNjones37 11 жыл бұрын
Dislike. the video isnt working...
@jas8343
@jas8343 3 жыл бұрын
Lol
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