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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":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"iGPlL6YjyEK301mxvKq84sLYJMADup","q","Solve the inequality x2 + 2x > 15.","ans",[414],1,"2011","course","mathematics","exp","x2 + 2x > 15
\n
\nx2 + 2x - 15 > 0
\n
\n(x2 + 5x) - (3x - 15) > 0
\n
\nx(x + 5) - 3(x + 5) >0
\n
\n(x - 3)(x + 5) > 0
\n
\ntherefore, x = 3 or -5
\n
\ni.e. x< 3 or x > -5","opts",[422,423,424,425],"x < -3 or x > 5","-5 < x < 3","x < 3 or x > 5","x > 3 or x < -5",17,"17","initComment","initReply","actionData","errors"]

JAMB - Mathematics (2011 - No. 17)

Explanation

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