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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"ffawvxRSHEokVVd97F0uLuGEjYsYt0","q","y varies directly as w². When y = 8, w = 2. Find y when w = 3","ans",[95],"2014","course","mathematics","exp","\\(y \\propto w^2\\)
\n
\ny = kw²
\n
\n8 = k(2)²
\n
\n8 = k(4)
\n
\nk = 8/4
\n
\nk = 2
\n
\nThus y = 2w²
\nWhen w = 3, y = 2(3)²
\n
\ny = 2 x 9 = 18","opts",[421,422,423,424],"18","12","9","6",13,"13","initComment","initReply","actionData","errors"]

JAMB - Mathematics (2014 - No. 13)

Explanation

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