Coordinate geometry SAT math Problem/Solution NLC
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All Comments (8)
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Loving the accent !
And Thank You for ur help ;)
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i have an answer
YOUR ALL NERD AND I ONLY LOOKED THIS UP SO I COULD POST A COMMENT LIKE THIS BECAUSE IM IN AN EVIL MOOD GEEK , NERD, GEEK, NERD HAHA
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wt is the meaning of sat problem?
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Silly me did it the long way. It completely didnt register to me that the side length is simply the root of the area! This is how I did it, very stupid I know! BC = |2r-3| , CD = |2s-2| BC = CD thus 2r-3 = 2s-2 Thus s = 1/2 (2r-1) We now BC*CD = 64 ie (2r-3)(2s-1) = 64 You end up with 4r^2 - 12r - 55 = 0 Since r>0, quadratic formula and you end up with r = 11/2 (5.5) SILLY ME!!
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cool
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very good tutoring video
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Hmm, the solution seems so simple yet I got it wrong. I think I answered it as 8 because I did not read the "find the value of R" part.
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The way I teach is to make it very simple and understand by reasoning and thinking it through. You need to read the problem very carefully.
mathproblems 5 years ago