MARKING SCHEME

Q Alternative Autumn 2008. Higher Paper 1 Mark Comment11 (a)(i) 1/16(ii) 1(b) 7(c) (i) 4.5 x 10 4(ii) 2.3 x 10 -3(d) Explanation9.8 x 10 3(e) 2.3 x 10 -2(f) 7/11(g)Either improper fraction correct and attempt tomultiply (4/3 x 11/4 )= 44/12=3 2 / 3(h) 38 (cm)B1B1B1B1B1E1B1B2B1M1A1A1B1In (c) only SC1 for consistent notation problemAccept “not in standard form”B1 for 2.3 x 10 n or …. x 10 -2Accept 11/312 10x + 3 < 7 - xx< 4/1113 (a) Method of finding areaAny 2 of the areas: 160, 100, 120, 60, 80520 (pieces of driftwood)(b) 60 (cm)14 (a) y - 2x(b) CQ = CB + ½ BA or –OC + x + ½ AB or …= 5/2 x – 1/2y15 (a) P(YY)=7/11 x 6/10= 42/11014B1B12M1M1A1B14B1M1A13M1A1FT until 2 nd error. Accept 11x