2022 MGS AMath Prelims P1 Ans
Uploaded by KeyBattleStan · 28 February 2026
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Text from the first pages2022 Add Math Preliminary Exam P1 Answer Key 1) 6 43h= + 2a) 1 2p<− (NA) , 1 2p> 2b) 3h=− 3a) 13 5 3b) 24 25 3c) 56 33 4a) 0.585x= , 2.81x= 5a) 10.2 g 5b) 5c) 348 6a) 3a= , 5b= 6b) (2 1)( 5)( 1)xx x−−+ 7a) 22( 9) ( 2) 25xy− +− = or 22 18 4 60 0xy xy+− −+= 7c) 22 25( 6) ( 2) 9xy− ++ = 8a) 0.5 8b) b = 3
8c) 8d) The solutions to cos(3 ) 3 0xxπ += are the x-coordinates of the points of intersections between the line and the curve. 9) 30 ,150 , 210 ,330x= 10a) 2 4 (3 4)x− − 11b) 0.575t∴= sec 12a) 4.8 cm 12c) 12 5x= 13a) 2( ) 5 10 xfx e x −= +− 13b) ( 0.458, 9.79)−− is a minimum point. 14a) 3 2353 ts tt= −+ 14b) 13 m 14c) C is nearer O.
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