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crazyfreerider said:
are the roots of the equation x squared minus 7x minus 8 equals 0 imaginary
wut grade r u in? :rolleyes:

roots = 8 and -1
 

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TheSherpa said:
I'm in 11th and have no idea what the hell hes talking about.
i'm in 8th and don't know... i would'a guessed something like:

x and r x7

but i haven'y learned this yet... i guess it's just cuz Chinkity is asian... lol, jk... but i really don't have any idea... :confused:
 

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im curious, wut r the average american kids learnin in mathclass freshman year nowadays?
 

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crazyfreerider said:
i also take 9th grade math but i seriously cant tell you what we learn
....lol.................................................
 

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freshmen year, i was learning graphing lines, triangles and circles, geometry...10th grade, same Sh!t, 11th, quadratic equations, trig, postulates, heavy squar roots mixed with quadratic equations, graphing, radicals, imaginary #'s, more geometry...12th grade, quadratic equations, graphing, hyperbolas, sin, cos, tan of theta in a circle, imaginary #'s, sigma, statistics, nature of the roots, radicals...........this stuff aint hard. Im guessing im going to learn some hard stuff in college as im going to be taking Mechanical Engineering this fall.
 

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Discussion Starter · #20 ·
Lucky13 said:
It's a quadratic (ax+bx+c=0) equation. x= -b+/-sqrroot (b*b - 4 a*c), whole thing devided by 2a. You get two answers, one positive, one negative. x = -1, x = 8.

Russian school, 5th grade.
yeah i ended up having to find the sqare root od a negative number
 
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