math usbf 2 f4
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SEKOLAH MENENGAH KEBANGSAAN RAJA PEREMPUAN, IPOH
UJIAN SELARAS BERFOKUS 2 / 2012MATHEMATICS
NAMA :__________________________
KELAS :_________________________ MASA : 1 JAM 15 MINIT
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Instruction : Answer all the questions in Section A and B. Shade your answers for section A in the objective answer sheet. Answer section B in the space provided.
1 Round off 241 356 to 3 significant figures.A 240 000 C 241 300B 241 000 D 241 400
2 Factorise t2 – 4t – 21.A ( t – 4 ) ( t + 3 ) C ( t + 4 ) ( t – 7 )B ( t + 3 ) ( t – 7 ) D ( t – 21 ) ( t + 1 )
3 Givenξ = { x : 12 ≤ x ≤ 36 , x is an integer }E = { x : x is a number such that the sum of its digits is 8 } andF = { x : x is a multiple of 2 }
Find n ( E
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