Mathematics Grade 12 Paper 1 Eastern Cape Mock 2017 Errata

Downloaded from hlayiso.com Assessment and Examination Directorate Steve Vukile Tshwete Complex , Private Bag X0032, Zwelistsha, 5605 REPUBLIC OF SOUTH AFRICA, Website: www.ecdoe.gov.za E-mail:Nomvuyo.Mbeleki@edu.ecprov.gov.za Ref. No. 13/P Tel.: (043) 604 7708/082 391 1342 Enquiries: Ms N. Mbeleki Fax: 043 604 7789 TO: DISTRICTS HEADS OF EXAMINATIONS PRINCIPALS OF SCHOOLS IN THE FET BAND FROM: CES: INSTRUMENT DEVELOPMENT AND MODERATION SECTION MS N. MBELEKI SUBJECT: ERRATA – MATHEMATICS P1 GRADE 12 SEPTEMBER 2017 DATE: 18 SEPTEMBER 2017 The Mathematics P1 Grade 12 September was written on Friday, 15 September 2017. We were made aware of certain amendments and omissions that were discovered during the marking process. In order to address this and to ensure that learners are not disadvantaged, the following standardised approach to marking must be adopted across the Province. The following guidelines with regard to marking was prepared in conjunction with the examiner and moderator. ERRATA 5.5 3 9 𝑃 (− ;− ) 2 4 3 9 (− + 2 ; − ) 2 4 1 9  answer/antwoord ( ;− ) 2 4 or/of 𝑓(𝑥 − 2) = (𝑥 − 2)(𝑥 − 2 + 3) 𝑓(𝑥 − 2) = 𝑥 2 − 𝑥 − 2 𝑓(𝑥 − 2) = 𝑥 2 − 𝑥 − 2 (−1) 𝑥=− 2(1) 1 1 𝑥 = 2 𝑥= 2 (2)

Downloaded from hlayiso.com 6.2 𝑞(𝑥) = −2−𝑥  answer/antwoord (1) 6.4 𝑦 > 0 ;𝑦 ∈ 𝑅 (1) 6.5 See 6.1/ sien 6.1  shape and x-intercept/vorm en x-afsnit (2) 10.2 81 2𝑥 𝑉 = 2𝑥 × 𝑥 × ( − )  sub. into volume formula/ 2𝑥 3 4 3 vervanging in volume formule 𝑉 = 81𝑥 − 𝑥 3 (2) 10.3 𝑑𝑉 = 81 − 4𝑥 2 𝑑𝑥 81 − 4𝑥 2 81 − 4𝑥 2 = 0 81 81 𝑥 2 = 4 𝑥2 = 4 9 𝑥 = = 4.5 answer/antwoord 2 (3) We request that this must be brought to the attention of all educators marking these papers and sincerely apologise for the inconvenience. Yours in education. 18 September 2017 MS N. MBELEKI DATE