Teacher's Guide - Pearson

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172c h a p t e rSyllabus: General objectiveThis chapter deals with the understanding and application of quadratic equations.Specific objectives• Solve quadratic equations by factorisation.• Solve problems involving quadratic equations as applied in practical lifesituations.• Use a spreadsheet to solve quadratic equations.AnswersSupport Activity 17.1 (Student’s Book page 305)1. x 5 152. x 5 ___ 60 y 3. x 5 04. x IR if y 5 05. x IR6. x 5 0; x 5 27. x 5 0; x 5 218. x 2 2 2x 2 4 5 0∴ x 5 2 6 √ 20 5 3.24 or 21.2429. x(x 2 1) 5 0∴ x 5 0 or x 5 1Exercise 17.1 (Student’s Book page 306)1. x 5 1 or x =222. x 5 1 or x 5 273. x 5 5 or x 5 24. k 5 27 or k 5 55. m 5 2 ___ 11 or m 5 326. x 5 23 or x 5 3__ Quadratic equations102EXPLORING MATHEMATICS FORM 3
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IntroductionThis Teacher’s Guide
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Extension Activity 1.1 (Student’s
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Activity 1.3 (Student’s Book page
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2c h a p t e rPatterns and sequence
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Exercise 2.3 (Student’s Book page
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Extension Activity 2.3 (Student’s
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Homework Exercise (Student’s Book
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d) 4 200 3 0.945 t < 1 000∴ t > 2
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3. Gaborone: P 5 1.86 3 10 5 3 (1 1
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multiply by 1.3 and then by 0.7, bu
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6. A 5 P1 500 000(1 1 0.089) 35 P1
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c h a p t e r5 MatricesSyllabus: Ge
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(g)(6 13211 187 21Activity 5.1 (Stu
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c) Trued) Truee) Truef) Falseg) Tru
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Assessment 1 Chapters 1-5Questio
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4. A parallelogram, AR||NO and RO||
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5. a) Angle ADE = 80º (Correspondi
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Extension activity 6.3 (Student’s
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3. Diagram Area of square A Area of
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8c h a p t e rTrigonometrySyllabus:
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Exercise 8.2 (Student’s Book page
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9c h a p t e rCoordinate geometrySy
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c) (20.5;3)d) (21;0.5)2. a) 2
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Revision Exercise (Student’s Book
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d)planfrontside2. a) b)3. a)plan fr
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Exercise 10.2 (Student’s Book pag
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Revision Exercise (Student’s Book
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11c h a p t e rTransformation geome
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Activity 11.4 (Student’s Book pag
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12c h a p t e rArea and perimeterSy
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4.R915S12TRSRatio of sides___DE
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Extension Activity 12.2 (Student’
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3. a) _____ 11 000 b) _____ 11 0
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13c h a p t e rSurface area and vol
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Page 162: 6. If the second block of wood is h
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Page 182: c)3. a) Velocity 5 40 3 3.65 144 km
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Page 202: 16c h a p t e rFormulaeSyllabus: Ge
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iii) Mass in kg Frequency Middle va
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21c h a p t e rScatter graphsSyllab
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2. a) Water used against average gr
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3. a)0.50.5HTH0.5TH0.50.5T0.50.50.5
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23c h a p t e rResearch skills: Dat
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Assessment 4Question 11.1 a) Two wi
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OR üüü (3)b) ___ 212 = 1
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Sample Examination Paper 2 Answers:
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Question 1111.1 Figure L is the ref
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18.1 x 22 21 0 1 2x 2 4 1ü 0ü 1 4
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Question 2121.1 ü (1)21.2 132 rpm
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Teacher's Guide - Pearson

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