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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},"7DoqYhaXAmUFu4cHUZm7IgSwMmA8nQ","q","If x + 1 is a factor of x³ + 3x² + kx + 4, find the value of k","ans",[95],"1992","course","mathematics","exp","x + 1 is a factor of x³ + 3x² + kx + 4
\n
\nLet f(x) = x³ + 3x² + kx + 4
\n
\n∴ f(-1) = (-1)³ + 3(-1)² + k(-1) + 4 = 0
\n
\n-1 + 3 - k + 4 = 0
\n
\n∴ k = 6","opts",[421,422,423,424],"6","-6","8","-8",14,"14","initComment","initReply","actionData","errors"]

JAMB - Mathematics (1992 - No. 14)

Explanation

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