So I am going into Honors Algebra next year, so to prepare now I started to watch some Algebra 2 videos on youtube. Well I am skipping Algebra and going straight to Algebra 2, and watching some of these videos, I don't know what they are talking about. I understand everything, just some terms mess me up like the i-root. I tried googling it but I can't find an answer, so if you could please explain to me what an i-root is in Algebra 2 that would be great! Thanks! P.S. I'm going into my freshman year of High School if it matters. Example, in the yourteacher.com video for imaginary numbers advanced, a problem was (-7i[square root symbol]2)^2 Well I followed the whole video easily and got the answer right in my head, but whenever she would say i-root 2 I would be like WTF.
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