1 SPM TRIAL EXAM 2012 Marking Scheme Additional mathematics Paper I Number Solution and marking scheme Sub Marks Full Marks 1 (a) {p, r, s} (b) {a , b, c, d} (c) Many to One 1 1 1 3 2 (a) 2 7 B1: 2x – 5 = 2 atau f(x) = 2 5 + x 2 2 3 (a) 5 (b) 4 2 + x B2: () 7 6 5 3 − − = + − x x f B1 : () 5 3 + − x f 1 3 4 4 p = − 7 , q = − 10 ( both ) B2: p = − 7 or q = −10 B1: 3 3 7 p − = or 3 3 10 q = − or 0 10 7 3 2 = − − x x or 3(−1) 2 + p(1)+q = 0, 3(10/3) 2 + p(10/3) + q = 0 3 3 5 h =2 and k = 3 B2 : h = 2 atau k = 3 B1 : 1 3 = h or 9 2 2 = + + k h 3 3 6 4 5 ≤ ≤ − x B2: ( ) 0 ) 5 ( 4 ≤ + − x x or B1 : x 2 + x – 20 ≤ 0 3 3 4 -5