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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",19,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"t1Y1PmGvpH9Pp1DWnrHWNOaY8kD1jw","q","If \\(\\begin{vmatrix}-x & 12 \\\\-1 & 4 \\end{vmatrix} = - 12\\), find x.","ans",[414],3,"2014","course","mathematics","exp","\\(\\begin{vmatrix}-x & 12 \\\\-1 & 4\\end{vmatrix} = - 12\\)
\n
\n-4x - (-1)12 = -12
\n
\n-4x + 12 = -12
\n
\n-4x = -12 - 12
\n
\n-4x = - 24
\n
\nx = 6","opts",[422,423,424,425],"-6","-2","3","6",21,"21","initComment","initReply","actionData","errors"]

JAMB - Mathematics (2014 - No. 21)

Explanation

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