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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",18,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"LjCnyl68yoKs7KrHargJ2qB1lS2Jqi","q","If 23_x + 101_x = 130_x, find the value of x","ans",[414],3,"2016","course","mathematics","exp","23_x + 101_x = 130_x
\n
\n2 x X¹ + 3 x X^o + 1 x X² + 0 x X¹ + 1 x X^o
\n
\n= 1 x X^o = 1 x X² + 3 x X¹ + 0 x X^o
\n
\n= X² + 3x + 0
\n
\n2x + 3 = x² + 0 + 1 + x² + 3x
\n
\n2x - 3x + x² - x² = -3 - 1
\n
\n- x = -4
\n
\nx = 4","opts",[422,423,424,425],"7","6","5","4",1,"1","initComment","initReply","actionData","errors"]

WAEC - Mathematics (2016 - No. 1)

Explanation

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