Tiêu đề Copy of Mathematics N1 MEMO Aug 2016.pdf ✅

MARKING GUIDELINE NATIONAL CERTIFICATE AUGUST EXAMINATION MATHEMATICS N1 1 AUGUST 2016 This marking guideline consists of 7 pages. Copyright reserved Please turn over
MARKING GUIDELINE -2- MATHEMATICS N1 T850(E)(A1)T Copyright reserved Please turn over 2 5 QUESTION 1 1.1 1.1.1 2a 4 b 3 2 4a 2 b 2 3 2 2 a 8 b 6 ✓ 4 3 a 6 b 6 4 2 a 2 b 0 ✓ 1 a 2 ✓ 4 2 1 a 2 ✓ 16 (4) 1.1.2 81a 6 4 16a 2 4a 1 2 0 4 6 3 a 4 1✓✓ 2 4 a 2 1 4 4 3 a 4 1✓✓ 4 3a 1 2 3a ✓ 2 (5) 1.1.3 log2 80 log2 5 log2 32 log2 80 log2 2 ✓ 5 1.2 x 6,4 0,79 log2 16 5log2 2 ✓ 4log2 2 5log2 2 ✓ 4(1) 5(1) 9 ✓ (4) log x log 6,4 ✓ 0,79 log 6,4 1 log 0,79 ✓ 2 0,806 1 0,102 ✓ 2 0,806 0,051 ✓ log x 0,857 ✓ x 7,194 ✓ (6)