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GRADE 12 MATHEMATICS MODEL SOCIAL.pdf - NIFAS SILK LAFTO...

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0NIFAS SILK LAFTO SUBCITY EDUCATION OFFICEMATHEMATICS MODEL EXAMINATION FORSOCIAL SCIENCE(GINBOT 2012/ MAY 2020)TIME ALLOWED: 3 HOURSGENERAL DIRECTIONSTHIS BOOKLET CONTAINSMATHEMATICSEXAMINATION FOR THESOCIAL SCIENCECANDIDATES ONLY.INTHISEXAMINATION,THEREAREATOTALOF65MULTIPLECHOICEQUESTIONS.CAREFULLY SELECT THE BEST ANSWER ANDBLACKENONLY THELETTER OF YOUR CHOICE ON THE SEPARET ANSWER SHEET PROVIDED.FOLLOWTHEINSTRUCTINSONTHEANSWERSHEETANDTHEEXAMINATION PAPER CAREFULLY. USE ONLYPENCILTO MARK YOURANSWERS. YOUR ANSWER MARK SHOULD BEHEAVYANDDARK,COVERING THE ANSWER SPACE COM PLETELY. PLEASE ERASE ALLUNNECESSARY MARKS COMPLETELY INCLUDING ANSWERS YOU HAVECHANGED FROM YOUR ANSWER SHEET.YOU ARE ALLOWED TO WORK ON THE EXAM FOR3 HOURS. WHEN TIME ISCALLED, YOU MUST IMMEDIATELY STOP WORKING, PUT YOUR PENCILDOWN, AND WAIT FOR FURTHER INSTRUCTIONS.ANYFORMOFCHEATINGORANATTEMPTTOCHEATINTHEEXAMINATION WILL RESULT IN AN AUTOMATIC DISMISSAL FROM THEEXAMINATION HALL AND CANCELLATION OF YOUR SCORE(S).PLEASE MAKE SURE THAT YOU HAVE WRITTEN ALL THE REQUIREDINFORMATION ON THE ANSWER SHEET BEFOR YOU START TO WORK ONTHE EXAMINATION.DO NOT TURN THIS PAGE OVER UNTIL YOU ARE TOLD TO DO SO.
DIRECTION- CHOOSE THE CORRECT ANSWER FROM THE GIVENALTERNATIVES.1.What are the respective values of A, B and C, so that4π‘₯2+3π‘₯βˆ’2π‘₯3βˆ’π‘₯2=𝐴π‘₯+𝐡π‘₯βˆ’1+𝐢π‘₯2?A.-1, 5, 2B.2, 5, -1C.1, 5, -2D.-5, -1, 22.Which of the following is TRUE about f:ℝ β†’[0,∞)given by f(x)=3π‘₯
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