HIGHER MATHS PRELIM REVISION 2019-20

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HIGHER MATHS PRELIM REVISION 2019-20 Differentiation Functions Straight Line Vectors Polynomials Quadratics

Transcript of HIGHER MATHS PRELIM REVISION 2019-20

HIGHER MATHS

PRELIM REVISION

2019-20 Differentiation

Functions

Straight Line

Vectors

Polynomials

Quadratics

Differentiation Higher Maths Exam Questions Source: 2019 P1 Q1 Higher Maths (1)

Answers: π‘₯π‘₯ = 0 π‘Žπ‘Žπ‘Žπ‘Žπ‘Žπ‘Ž 3

Source: 2019 P2 Q7b Higher Maths (2)

Answers: (π‘Žπ‘Ž) βˆ’ 6(π‘₯π‘₯ βˆ’ 2)2 βˆ’ 1 (𝑏𝑏)

Source: 2018 P2 Q3 Higher Maths (3)

Answer:

Source: 2018 P2 Q9 Higher Maths (4)

Answer: π‘€π‘€π‘€π‘€π‘Žπ‘Žπ‘€π‘€π‘€π‘€π‘€π‘€π‘€π‘€ π‘£π‘£π‘Žπ‘Žπ‘£π‘£π‘€π‘€π‘£π‘£ π‘œπ‘œπ‘œπ‘œ 𝑃𝑃 = 32

Source: 2017 P1 Q8 Higher Maths (5)

Answer: π‘₯π‘₯ = βˆ’ 150

Source: 2017 P2 Q4 Higher Maths (6)

Answers: (π‘Žπ‘Ž) 3(π‘₯π‘₯ + 4)2 + 2 (𝑏𝑏) 3π‘₯π‘₯2 + 24π‘₯π‘₯ + 50 (c)

Source: 2017 P2 Q7 Higher Maths (7)

Answers: (π‘Žπ‘Ž) π‘₯π‘₯ = 4 (𝑏𝑏) πΊπΊπΊπΊπ‘£π‘£π‘Žπ‘ŽπΊπΊπ‘£π‘£πΊπΊπΊπΊ = 8, πΏπΏπ‘£π‘£π‘Žπ‘ŽπΊπΊπΊπΊ = 0

Source: 2016 P1 Q2 Higher Maths (8)

Answer: 𝑑𝑑𝑑𝑑𝑑𝑑𝑑𝑑

= 36π‘₯π‘₯2 + 4π‘₯π‘₯βˆ’12

Source: 2016 P1 Q9 Higher Maths (9)

Answers: (π‘Žπ‘Ž) π‘₯π‘₯ = βˆ’4, 2 (𝑏𝑏) π‘₯π‘₯ < βˆ’4, π‘₯π‘₯ > 2

Source: 2015 P1 Q2 Higher Maths (10)

Answer: 𝑦𝑦 = 24π‘₯π‘₯ + 35

Source: 2015 P1 Q7 Higher Maths (11)

Answer: 9 18

Source: Specimen P1 Q11 Higher Maths (12)

Answers: (π‘Žπ‘Ž) 𝑀𝑀 = π‘œπ‘œβ€²(π‘₯π‘₯) β‰₯ 0 (𝑏𝑏)

Source: Exemplar P1 Q1 Higher Maths (13)

Answer: 𝑦𝑦 βˆ’ 12 = 6(π‘₯π‘₯ βˆ’ 5)

Source: Exemplar P2 Q10 Higher Maths (14)

Answers:

Source: 2014 P2 Q2 Higher Maths (15)

Answer: 𝑦𝑦 βˆ’ 5 = 8(π‘₯π‘₯ βˆ’ 2)

Optimisation Higher Maths Exam Questions

Source: 2019 P2 Q11 Higher Maths (1)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 (𝑏𝑏) 𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀 π‘£π‘£π‘Žπ‘Žπ‘£π‘£π‘€π‘€π‘£π‘£ 𝑃𝑃𝑃𝑃 𝐴𝐴 = 1200

Source: 2016 P2 Q7 Higher Maths (2)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 (𝑏𝑏) π‘₯π‘₯ = 4

Source: Specimen P2 Q8 Higher Maths (3)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 (𝑏𝑏) 𝑃𝑃 = 2.20 𝑀𝑀

Source: Exemplar P2 Q9 Higher Maths (4)

Answers: (π‘Žπ‘Ž) π‘₯π‘₯ = 4 𝑐𝑐𝑀𝑀 (𝑏𝑏) 𝑁𝑁𝑃𝑃 π‘Žπ‘Žπ‘Žπ‘Ž Β£198 > Β£195

Source: 2010 P2 Q5 Higher Maths (5)

Answers: (π‘Žπ‘Ž) (𝑀𝑀) 𝑃𝑃𝑃𝑃 = 6 βˆ’ π‘₯π‘₯2 (𝑀𝑀𝑀𝑀) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃

(𝑏𝑏) π‘€π‘€π‘Žπ‘Žπ‘₯π‘₯𝑀𝑀𝑀𝑀𝑀𝑀𝑀𝑀 π‘Žπ‘Žπ‘ƒπ‘ƒπ‘£π‘£π‘Žπ‘Ž = 8√2 (β‰ˆ 11.3) π‘Žπ‘Žπ‘ π‘ π‘€π‘€π‘Žπ‘Žπ‘ƒπ‘ƒπ‘£π‘£ π‘€π‘€π‘€π‘€π‘€π‘€π‘’π‘’π‘Žπ‘Ž

Source: 2008 P2 Q6 Higher Maths (6)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃

(𝑏𝑏) 𝑃𝑃(32 , 3)

Source: 2004 P2 Q9 Higher Maths (7)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 (𝑏𝑏) π‘₯π‘₯ = √2 π‘€π‘€π‘€π‘€π‘€π‘€π‘’π‘’π‘Žπ‘Ž

Source: 2003 P2 Q8 Higher Maths (8)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃 (𝑏𝑏) π‘₯π‘₯ = 60

Source: 2002 P2 Q10 Higher Maths (9)

Answers:

(π‘Žπ‘Ž) (𝑀𝑀) 𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃𝑃

(𝑀𝑀𝑀𝑀) 𝑏𝑏 =35

(8 βˆ’ π‘Žπ‘Ž) π‘£π‘£π‘£π‘£π‘Žπ‘Žπ‘™π‘™π‘€π‘€π‘€π‘€π‘™π‘™ 𝑒𝑒𝑃𝑃 𝐴𝐴 =34π‘Žπ‘Ž

(8 βˆ’ π‘Žπ‘Ž)

(𝑏𝑏) π‘Žπ‘Ž = 4

Functions & Graphs Higher Maths Exam Questions

Source: 2019 P1 Q10 Higher Maths (1)

Answers: (π‘Žπ‘Ž) π‘Žπ‘Ž = 3 (𝑏𝑏) π‘˜π‘˜ = βˆ’2

Source: 2019 P1 Q12 Higher Maths (2)

Answers: (π‘Žπ‘Ž) 1οΏ½5βˆ’π‘₯π‘₯

�𝑏𝑏� π‘₯π‘₯ β‰₯ 5

Source: 2019 P2 Q5 Higher Maths (3)

Answer:

Source: 2019 P2 Q12 Higher Maths (4)

Answers: π‘Žπ‘Ž = 14

𝑏𝑏 = 64

Source: 2018 P1 Q2 Higher Maths (5)

Answer: π‘”π‘”βˆ’1(π‘₯π‘₯) = 5(π‘₯π‘₯ + 4)

Source: 2018 P1 Q15 Higher Maths (6)

Answer:

Source: 2018 P2 Q6 Higher Maths (7)

Answers: (π‘Žπ‘Ž) (𝑖𝑖) 3 + 𝑐𝑐𝑐𝑐𝑐𝑐2π‘₯π‘₯ (𝑖𝑖𝑖𝑖) 2(3 + 𝑐𝑐𝑐𝑐𝑐𝑐π‘₯π‘₯) (𝑏𝑏) π‘₯π‘₯ = πœ‹πœ‹

Source: 2017 P1 Q1 Higher Maths (8)

Answers: (π‘Žπ‘Ž) 10 (𝑏𝑏) 2𝑐𝑐𝑐𝑐𝑐𝑐5π‘₯π‘₯

Source: 2017 P1 Q6 Higher Maths (9)

Answer: β„Žβˆ’1(π‘₯π‘₯) = √π‘₯π‘₯ βˆ’ 73 π‘π‘π‘œπ‘œ (π‘₯π‘₯ βˆ’ 7)13

Source: 2016 P1 Q6 Higher Maths (10)

Answers: (π‘Žπ‘Ž) π‘”π‘”βˆ’1(π‘₯π‘₯) = π‘₯π‘₯βˆ’53

(𝑏𝑏) π‘”π‘”βˆ’1(7) = 2

Source: 2017 P1 Q15a Higher Maths (11)

Answers: (π‘Žπ‘Ž) π‘Žπ‘Ž = βˆ’5 𝑏𝑏 = 3 (𝑏𝑏) 10 (𝑐𝑐) βˆ’ 6

Source: 2016 P1 Q10 Higher Maths (12)

Answer:

Source: 2016 P1 Q12 Higher Maths (13)

Answers: (π‘Žπ‘Ž) π‘ƒπ‘ƒπ‘œπ‘œπ‘π‘π‘π‘π‘ƒπ‘ƒ ( 𝑏𝑏) 2(π‘₯π‘₯ βˆ’ 2)2 + 3

Source: 2015 P1 Q4 Higher Maths (14)

Answers: 𝑝𝑝 = 3, π‘žπ‘ž = 4, π‘œπ‘œ = 1

Source: 2015 P1 Q5 Higher Maths (15)

Answers: (π‘Žπ‘Ž) π‘”π‘”βˆ’1(π‘₯π‘₯) = 6βˆ’π‘₯π‘₯2

= 3 βˆ’ π‘₯π‘₯2

= π‘₯π‘₯βˆ’6βˆ’2

(𝑏𝑏) π‘₯π‘₯

Source: 2015 P2 Q2 Higher Maths (16)

Answers: (π‘Žπ‘Ž)10 + (1 + π‘₯π‘₯)(3βˆ’ π‘₯π‘₯) + 2 (𝑏𝑏) βˆ’ π‘₯π‘₯2 + 2π‘₯π‘₯ + 15 (𝑐𝑐) 5 & βˆ’ 3

Source: Specimen P1 Q8 Higher Maths (17)

Answers: (π‘Žπ‘Ž) π‘ƒπ‘ƒπ‘œπ‘œπ‘π‘π‘π‘π‘ƒπ‘ƒ (𝑏𝑏) 2(π‘₯π‘₯ βˆ’ 2)2 βˆ’ 3 (𝑐𝑐) (2,βˆ’3)

(𝑑𝑑)

Source: Exemplar P1 Q8 Higher Maths (18)

Answers: (π‘Žπ‘Ž) (𝑏𝑏)

Polynomials & Quadratics Higher Maths Exam Questions

Source: 2019 P1 Q2 Higher Maths (1)

Answers: π‘˜π‘˜ = 3, 7

Source: 2019 P2 Q7 Higher Maths (2)

Answers: (π‘Žπ‘Ž) βˆ’ 6(π‘₯π‘₯ βˆ’ 2)2 βˆ’ 1

(𝑏𝑏)

Source: 2019 P2 Q10 Higher Maths (3)

Answers: (π‘Žπ‘Ž) π‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆ π‘ˆπ‘ˆπ‘ π‘ π‘ π‘ π‘ π‘ β„Žπ‘ˆπ‘ˆπ‘ π‘ π‘’π‘’π‘’π‘’ π‘‘π‘‘π‘’π‘’π‘£π‘£π‘’π‘’π‘ˆπ‘ˆπ‘’π‘’π‘£π‘£π‘ π‘  𝑠𝑠𝑣𝑣 π‘ˆπ‘ˆβ„Žπ‘£π‘£π‘œπ‘œ π‘ π‘ β„Žπ‘ˆπ‘ˆ π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘’π‘’π‘ π‘ π‘‘π‘‘π‘ˆπ‘ˆπ‘Ÿπ‘Ÿ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘ˆπ‘ˆ π‘§π‘§π‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘£π‘£

(𝑏𝑏) (π‘₯π‘₯ + 3)(π‘₯π‘₯ βˆ’ 1)(3π‘₯π‘₯2 + 4π‘₯π‘₯ + 2)

Source: 2018 P1 Q7 Higher Maths (4)

Answers: (π‘Žπ‘Ž) 𝑃𝑃(0, 5) (𝑏𝑏) 𝑠𝑠 = 2π‘₯π‘₯ + 5 (𝑒𝑒) 𝑄𝑄(3, 11)

Source: 2018 P2 Q4 Higher Maths (5)

Answer: βˆ’3(π‘₯π‘₯ + 1)2 + 10

Source: 2018 P2 Q7a Higher Maths (6)

Answers: (π‘Žπ‘Ž) (𝑒𝑒) π‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆ π‘ˆπ‘ˆπ‘ π‘ π‘ π‘ π‘ π‘ β„Žπ‘ˆπ‘ˆπ‘ π‘ π‘’π‘’π‘’π‘’ π‘‘π‘‘π‘’π‘’π‘£π‘£π‘’π‘’π‘ˆπ‘ˆπ‘’π‘’π‘£π‘£π‘ π‘  𝑠𝑠𝑣𝑣 π‘ˆπ‘ˆβ„Žπ‘£π‘£π‘œπ‘œ π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘’π‘’π‘ π‘ π‘‘π‘‘π‘ˆπ‘ˆπ‘Ÿπ‘Ÿ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘ˆπ‘ˆ π‘§π‘§π‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘£π‘£

(𝑒𝑒𝑒𝑒) (π‘₯π‘₯ βˆ’ 2)(2π‘₯π‘₯ βˆ’ 1)(π‘₯π‘₯ + 1)

(𝑏𝑏) 2π‘Žπ‘Ž3 βˆ’ 3π‘Žπ‘Ž2 βˆ’ π‘Žπ‘Ž βˆ’ 1

(𝑒𝑒) (𝑒𝑒) π‘Žπ‘Ž = 12

(𝑒𝑒𝑒𝑒) 𝐿𝐿 = βˆ’2

Source: 2018 P2 Q10 Higher Maths (7)

Answers: π‘Ÿπ‘Ÿ < 1,π‘Ÿπ‘Ÿ > 9 π‘œπ‘œπ‘’π‘’π‘ π‘ β„Ž π‘ˆπ‘ˆπ‘’π‘’ π‘ˆπ‘ˆπ‘˜π‘˜π‘ˆπ‘ˆπ‘ π‘ π‘’π‘’β„Ž π‘£π‘£π‘Ÿπ‘Ÿ π‘ π‘ π‘Žπ‘Žπ‘π‘π‘’π‘’π‘ˆπ‘ˆ π‘£π‘£π‘œπ‘œ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘ π‘ π‘ˆπ‘ˆ

Source: 2017 P1 Q4 Higher Maths (8)

Answer: π‘˜π‘˜ = 9

Source: 2017 P2 Q2 Higher Maths (9)

Answers: (π‘Žπ‘Ž) π‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆ π‘ˆπ‘ˆπ‘ π‘ π‘ π‘ π‘ π‘ β„Žπ‘ˆπ‘ˆπ‘ π‘ π‘’π‘’π‘’π‘’ π‘‘π‘‘π‘’π‘’π‘£π‘£π‘’π‘’π‘ˆπ‘ˆπ‘’π‘’π‘£π‘£π‘ π‘  𝑠𝑠𝑣𝑣 π‘ˆπ‘ˆβ„Žπ‘£π‘£π‘œπ‘œ π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘’π‘’π‘ π‘ π‘‘π‘‘π‘ˆπ‘ˆπ‘Ÿπ‘Ÿ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘ˆπ‘ˆ π‘§π‘§π‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘£π‘£

(𝑏𝑏 ) π‘₯π‘₯ = βˆ’12 , 1, 2

Source: 2016 P1 Q15 Higher Maths (10)

Answers: (π‘Žπ‘Ž) π‘Žπ‘Ž = 4, 𝑏𝑏 = βˆ’5, π‘˜π‘˜ = βˆ’ 112

(𝑏𝑏) 𝑑𝑑 > 9

Source: 2016 P2 Q2 Higher Maths (11)

Answer: 𝑝𝑝 < 2

Source: 2016 P2 Q3 Higher Maths (12)

Answers: (π‘Žπ‘Ž) (𝑒𝑒) π‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆ π‘ˆπ‘ˆπ‘ π‘ π‘ π‘ π‘ π‘ β„Žπ‘ˆπ‘ˆπ‘ π‘ π‘’π‘’π‘’π‘’ π‘‘π‘‘π‘’π‘’π‘£π‘£π‘’π‘’π‘ˆπ‘ˆπ‘’π‘’π‘£π‘£π‘ π‘  𝑠𝑠𝑣𝑣 π‘ˆπ‘ˆβ„Žπ‘£π‘£π‘œπ‘œ π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘’π‘’π‘ π‘ π‘‘π‘‘π‘ˆπ‘ˆπ‘Ÿπ‘Ÿ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘ˆπ‘ˆ π‘§π‘§π‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘£π‘£ (𝑒𝑒𝑒𝑒) π‘₯π‘₯ = βˆ’1, 2, 3.5 (𝑏𝑏) (𝑒𝑒) 𝐴𝐴 (βˆ’1, 0) 𝐡𝐡 (2, 0) (𝑒𝑒𝑒𝑒) π΄π΄π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Žπ‘Ž = 27 π‘’π‘’π‘ π‘ π‘’π‘’π‘ π‘ π‘ˆπ‘ˆ2

Source: 2015 P1 Q3 Higher Maths (13)

Answer: π‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆ π‘ˆπ‘ˆπ‘ π‘ π‘ π‘ π‘ π‘ β„Žπ‘ˆπ‘ˆπ‘ π‘ π‘’π‘’π‘’π‘’ π‘‘π‘‘π‘’π‘’π‘£π‘£π‘’π‘’π‘ˆπ‘ˆπ‘’π‘’π‘£π‘£π‘ π‘  𝑠𝑠𝑣𝑣 π‘ˆπ‘ˆβ„Žπ‘£π‘£π‘œπ‘œ π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘’π‘’π‘ π‘ π‘‘π‘‘π‘ˆπ‘ˆπ‘Ÿπ‘Ÿ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘ˆπ‘ˆ π‘§π‘§π‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘£π‘£ (π‘₯π‘₯ + 3)(π‘₯π‘₯ βˆ’ 4)(π‘₯π‘₯ βˆ’ 2)

Source: 2015 P1 Q8 Higher Maths (14)

Answer: 2 < π‘₯π‘₯ < 5

Source: Specimen P1 Q4 Higher Maths (15)

Answer: βˆ’4 < 𝑝𝑝 < 12

Source: Specimen P1 Q7 Higher Maths (16)

Answer: (π‘Žπ‘Ž) π‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆπ‘ˆ π‘ˆπ‘ˆπ‘ π‘ π‘ π‘ π‘ π‘ β„Žπ‘ˆπ‘ˆπ‘ π‘ π‘’π‘’π‘’π‘’ π‘‘π‘‘π‘’π‘’π‘£π‘£π‘’π‘’π‘ˆπ‘ˆπ‘’π‘’π‘£π‘£π‘ π‘  𝑠𝑠𝑣𝑣 π‘ˆπ‘ˆβ„Žπ‘£π‘£π‘œπ‘œ π‘Ÿπ‘Ÿπ‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘’π‘’π‘ π‘ π‘‘π‘‘π‘ˆπ‘ˆπ‘Ÿπ‘Ÿ π‘ˆπ‘ˆπ‘’π‘’π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘ˆπ‘ˆ π‘§π‘§π‘ˆπ‘ˆπ‘Ÿπ‘Ÿπ‘£π‘£

(𝑏𝑏) (π‘₯π‘₯ + 1)(π‘₯π‘₯ + 3)(π‘₯π‘₯ βˆ’ 4)

Source: Specimen P2 Q3 Higher Maths (17)

Answers: (π‘Žπ‘Ž) 𝑝𝑝 = 1, 𝑒𝑒 = 4 (𝑏𝑏) 𝑠𝑠 = 9(π‘₯π‘₯ βˆ’ 1)

Source: Exemplar P2 Q3 Higher Maths (18)

Answer: βˆ’7 < 𝑝𝑝 < 5

Source: Exemplar P1 Q2 Higher Maths (19)

Answers: π‘Žπ‘Ž = 1, 𝑏𝑏 = βˆ’2, π‘˜π‘˜ = βˆ’1

Source: Exemplar P1 Q5 Higher Maths (20)

Answers: (π‘Žπ‘Ž) π‘Žπ‘Ž = βˆ’7, 𝑏𝑏 = 10 (𝑏𝑏) π‘₯π‘₯ = 1, π‘₯π‘₯ = 5, π‘₯π‘₯ = βˆ’2

Straight Lines Higher Maths Exam Questions

Source: 2019 P1 Q5 Higher Maths (1)

Answers:

(π‘Žπ‘Ž) 𝐴𝐴𝐴𝐴�����⃗ = οΏ½3βˆ’63οΏ½ 𝐴𝐴𝐡𝐡�����⃗ = οΏ½

4βˆ’84οΏ½ 𝐴𝐴𝐴𝐴�����⃗ =

34𝐴𝐴𝐡𝐡�����⃗ .

𝐴𝐴𝐴𝐴 𝑖𝑖𝑖𝑖 π‘π‘π‘Žπ‘Žπ‘π‘π‘Žπ‘Žπ‘π‘π‘π‘π‘π‘π‘π‘ 𝑑𝑑𝑑𝑑 𝐴𝐴𝐡𝐡 (π‘π‘π‘‘π‘‘π‘šπ‘šπ‘šπ‘šπ‘‘π‘‘π‘šπ‘š π‘‘π‘‘π‘–π‘–π‘π‘π‘π‘π‘‘π‘‘π‘–π‘–π‘‘π‘‘π‘šπ‘š) π‘Žπ‘Žπ‘šπ‘šπ‘‘π‘‘ 𝐴𝐴 𝑖𝑖𝑖𝑖 π‘Žπ‘Ž π‘π‘π‘‘π‘‘π‘šπ‘šπ‘šπ‘šπ‘‘π‘‘π‘šπ‘š π‘π‘π‘‘π‘‘π‘–π‘–π‘šπ‘šπ‘‘π‘‘.

π‘‡π‘‡β„Žπ‘π‘π‘π‘π‘π‘π‘’π‘’π‘‘π‘‘π‘π‘π‘π‘ 𝐴𝐴,𝐴𝐴 π‘Žπ‘Žπ‘šπ‘šπ‘‘π‘‘ 𝐡𝐡 π‘Žπ‘Žπ‘π‘π‘π‘ π‘π‘π‘‘π‘‘π‘π‘π‘π‘π‘–π‘–π‘šπ‘šπ‘π‘π‘Žπ‘Žπ‘π‘.

(𝑏𝑏) π‘…π‘…π‘Žπ‘Žπ‘‘π‘‘π‘–π‘–π‘‘π‘‘ 3: 4

Source: 2019 P1 Q7 Higher Maths (2)

Answer: 𝑦𝑦 = βˆ’βˆš3π‘₯π‘₯ βˆ’ 4

Source: 2019 P2 Q1 Higher Maths (3)

Answers: (π‘Žπ‘Ž) 3𝑦𝑦 = βˆ’π‘₯π‘₯ βˆ’ 13 (𝑏𝑏) 𝑦𝑦 = π‘₯π‘₯ βˆ’ 7 (𝑐𝑐) (2,βˆ’5)

Source: 2018 P1 Q1 Higher Maths (4)

Answer: 𝑦𝑦 = 2π‘₯π‘₯

Source: 2018 P1 Q8 Higher Maths (5)

Answer: 60Β° 𝑑𝑑𝑝𝑝 πœ‹πœ‹3

Source: 2017 P1 Q7 Higher Maths (6)

Answer: π‘₯π‘₯ = 2

Source: 2017 P1 Q11 Higher Maths (7)

Answer: π‘Žπ‘Ž = 10

Source: 2015 P1 Q9 Higher Maths (8)

Answer: π‘šπ‘šπ‘Žπ‘Žπ‘Žπ‘Ž = βˆ’βˆš3 π‘Žπ‘Žπ‘šπ‘šπ‘‘π‘‘ π‘šπ‘šπ‘Žπ‘Žπ‘π‘ = βˆ’ 1√3

π‘‘π‘‘β„Žπ‘π‘π‘π‘π‘π‘π‘‘π‘‘π‘π‘π‘π‘ π‘π‘π‘‘π‘‘π‘–π‘–π‘šπ‘šπ‘‘π‘‘π‘–π‘– π‘Žπ‘Žπ‘π‘π‘π‘ π‘šπ‘šπ‘‘π‘‘π‘‘π‘‘ π‘π‘π‘‘π‘‘π‘π‘π‘π‘π‘–π‘–π‘šπ‘šπ‘π‘π‘Žπ‘Žπ‘π‘

Source: 2018 P2 Q5a,b Higher Maths (9)

Answers: (π‘Žπ‘Ž) 𝑦𝑦 = π‘₯π‘₯ βˆ’ 5 (𝑏𝑏) 𝐡𝐡(10, 5) (𝑐𝑐) (π‘₯π‘₯ βˆ’ 10)2 + (𝑦𝑦 βˆ’ 5)2 = 50

Source: 2017 P2 Q1 Higher Maths (10)

Answers: (π‘Žπ‘Ž) 𝑦𝑦 = 3π‘₯π‘₯ βˆ’ 19 (𝑏𝑏) 𝑦𝑦 = π‘₯π‘₯ βˆ’ 3 (𝑐𝑐) (8, 5)

Source: 2016 P1 Q1 Higher Maths (11)

Answer: 𝑦𝑦 + 4π‘₯π‘₯ = βˆ’5

Source: 2016 P2 Q1 Higher Maths (12)

Answers: (π‘Žπ‘Ž) (𝑖𝑖) 𝑀𝑀(2, 4) (𝑖𝑖𝑖𝑖) 𝑦𝑦 = 4π‘₯π‘₯ βˆ’ 6 (𝑏𝑏) 𝑦𝑦 = βˆ’π‘₯π‘₯ + 6 (𝑐𝑐) π‘‚π‘‚π‘‘π‘‘β„Žπ‘π‘π‘π‘ π‘šπ‘šπ‘π‘π‘‘π‘‘β„Žπ‘‘π‘‘π‘‘π‘‘π‘–π‘– π‘£π‘£π‘Žπ‘Žπ‘π‘π‘–π‘–π‘‘π‘‘ βˆ’ 𝑖𝑖𝑝𝑝𝑝𝑝 π‘šπ‘šπ‘Žπ‘Žπ‘π‘π‘šπ‘šπ‘–π‘–π‘šπ‘šπ‘šπ‘š π‘–π‘–π‘π‘β„Žπ‘π‘π‘šπ‘šπ‘π‘

Source: 2015 P2 Q1 Higher Maths (13)

Answers: (π‘Žπ‘Ž) 𝑃𝑃𝑝𝑝𝑑𝑑𝑑𝑑𝑒𝑒 (𝑏𝑏) 𝑦𝑦 = 2π‘₯π‘₯ βˆ’ 3 (𝑐𝑐) (1, βˆ’1)

Source: Specimen P1 Q2 Higher Maths (14)

Answers: (βˆ’1, 0) (0, 4) (3, 16)

Source: Specimen P1 Q5 Higher Maths (15)

Answers: (π‘Žπ‘Ž) π‘šπ‘š = βˆ’βˆš3 (𝑏𝑏) π΄π΄π‘šπ‘šπ‘šπ‘šπ‘π‘π‘π‘ = 2πœ‹πœ‹3

𝑑𝑑𝑝𝑝 120Β°

Source: Specimen P1 Q9 Higher Maths (16)

Answers: (π‘Žπ‘Ž) 𝑦𝑦 βˆ’ 10 = βˆ’3(π‘₯π‘₯ + 1) (𝑏𝑏) 𝐴𝐴 (3, βˆ’2)

Source: Exemplar P1 Q6 Higher Maths (17)

Answers: (π‘Žπ‘Ž) 𝑦𝑦 βˆ’ 3 = 13

(π‘₯π‘₯ βˆ’ 1) (𝑏𝑏) 𝑦𝑦 + 2 = βˆ’3(π‘₯π‘₯ βˆ’ 1)

(𝑐𝑐) π‘₯π‘₯ = βˆ’12

, 𝑦𝑦 =52

(𝑐𝑐)οΏ½52

=√10

2= √2.5

Vectors Higher Maths Exam Questions Source: 2019 P1 Q9 Higher Maths (1)

Answers: (π‘Žπ‘Ž)(𝑖𝑖) 2𝑝𝑝2 + 16𝑝𝑝 + 30 (𝑖𝑖𝑖𝑖) 𝑝𝑝 = βˆ’5 & βˆ’ 3 (𝑏𝑏) 𝑝𝑝 = βˆ’32

Source: 2019 P2 Q3 Higher Maths (2)

Answers: (π‘Žπ‘Ž) 𝐡𝐡𝐡𝐡�����⃗ = βˆ’π‘π‘ + π‘Ÿπ‘Ÿ (𝑏𝑏) 𝐡𝐡𝐸𝐸�����⃗ = 𝑝𝑝 βˆ’ π‘Ÿπ‘Ÿ + 34π‘žπ‘ž π‘œπ‘œπ‘Ÿπ‘Ÿ π‘’π‘’π‘žπ‘žπ‘’π‘’π‘–π‘–π‘’π‘’π‘Žπ‘Žπ‘’π‘’π‘’π‘’π‘’π‘’π‘’π‘’

Source: 2019 P2 Q14 Higher Maths (3)

Answer: 𝐴𝐴𝑒𝑒𝐴𝐴𝑒𝑒𝑒𝑒 = 75.5Β° π‘œπ‘œπ‘Ÿπ‘Ÿ 1.31 π‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘Ÿπ‘Ÿπ‘–π‘–π‘Žπ‘Žπ‘’π‘’π‘Ÿπ‘Ÿ

Source: 2018 P1 Q5 Higher Maths (4)

Answers: (π‘Žπ‘Ž) π‘…π‘…π‘Žπ‘Žπ‘’π‘’π‘–π‘–π‘œπ‘œ 4: 1 (𝑏𝑏) 𝑒𝑒 = 8

Source: 2018 P1 Q12 Higher Maths (5)

Answers: (π‘Žπ‘Ž) οΏ½6βˆ’3

4 + 𝑝𝑝� (𝑏𝑏) 𝑝𝑝 = βˆ’2, βˆ’6

Source: 2018 P1 Q9 Higher Maths (6)

Answers: (π‘Žπ‘Ž) 𝐡𝐡𝐡𝐡�����⃗ = βˆ’π‘’π‘’ + 𝑒𝑒 (𝑏𝑏) 𝑀𝑀𝑀𝑀������⃗ = βˆ’12𝑒𝑒 βˆ’ 1

2𝑒𝑒 + 𝑒𝑒

Source: 2018 P2 Q2 Higher Maths (7)

Answers: (π‘Žπ‘Ž) 𝑒𝑒.𝑒𝑒 = 24 (𝑏𝑏) 66.38Β° π‘œπ‘œπ‘Ÿπ‘Ÿ 1.16 π‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘Ÿπ‘Ÿπ‘–π‘–π‘Žπ‘Žπ‘’π‘’π‘Ÿπ‘Ÿ

Source: 2017 P1 Q5 Higher Maths (8)

Answers: (π‘Žπ‘Ž) 𝑒𝑒. 𝑒𝑒 = 1 (𝑏𝑏) 𝑒𝑒.𝑀𝑀 = 4.5

Source: 2016 P1 Q7 Higher Maths (9)

Answers: (π‘Žπ‘Ž) 𝑒𝑒.𝑒𝑒 = 24 (𝑏𝑏) 66.38Β° π‘œπ‘œπ‘Ÿπ‘Ÿ 1.16 π‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘Ÿπ‘Ÿπ‘–π‘–π‘Žπ‘Žπ‘’π‘’π‘Ÿπ‘Ÿ

Source: 2017 P2 Q5 Higher Maths (10)

Answers: (π‘Žπ‘Ž) βˆ’ 3𝑖𝑖 βˆ’ 4𝑗𝑗 + 5π‘˜π‘˜ (𝑏𝑏)π‘ƒπ‘ƒπ‘Ÿπ‘Ÿπ‘œπ‘œπ‘œπ‘œπ‘ƒπ‘ƒ (𝑐𝑐) 45.6Β° π‘œπ‘œπ‘Ÿπ‘Ÿ 0.795 π‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘Ÿπ‘Ÿπ‘–π‘–π‘Žπ‘Žπ‘’π‘’π‘Ÿπ‘Ÿ

Source: 2016 P1 Q11 Higher Maths (11)

Answers: (π‘Žπ‘Ž) 𝐡𝐡 (2, 1, 0) (𝑏𝑏) π‘˜π‘˜ = 19

Source: 2016 P2 Q5 Higher Maths (12)

Answers: (π‘Žπ‘Ž) 𝐴𝐴𝐡𝐡�����⃗ = οΏ½βˆ’8162οΏ½ 𝐡𝐡𝐡𝐡�����⃗ = οΏ½

βˆ’2βˆ’816οΏ½ (𝑏𝑏) 104.3Β° π‘œπ‘œπ‘Ÿπ‘Ÿ 1.82 π‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘Ÿπ‘Ÿπ‘–π‘–π‘Žπ‘Žπ‘’π‘’π‘Ÿπ‘Ÿ

Source: 2015 P1 Q1 Higher Maths (13)

Answer: 𝑒𝑒 = 9

Source: 2015 P2 Q6 Higher Maths (14)

Answers: (π‘Žπ‘Ž) 𝑝𝑝. (π‘žπ‘ž + π‘Ÿπ‘Ÿ) = 4.5 (𝑏𝑏) 𝐡𝐡𝐡𝐡�����⃗ = βˆ’π‘žπ‘ž + 𝑝𝑝 + π‘Ÿπ‘Ÿ (𝑐𝑐) 3√3𝑐𝑐𝑐𝑐𝑐𝑐30

Source: Specimen P1 Q3 Higher Maths (15)

Answer: 𝑆𝑆 (5, 25, βˆ’2)

Source: Specimen P2 Q1 Higher Maths (16)

Answers: (π‘Žπ‘Ž) 𝐡𝐡 (45, 45, 40) 𝐸𝐸 (60, 40, 0) (𝑏𝑏) 𝐡𝐡𝑀𝑀������⃗ .𝐡𝐡𝐸𝐸�����⃗ = βˆ’1750 (𝑐𝑐) 154Β°

Source: Specimen P2 Q6 Higher Maths (17)

Answer: π‘₯π‘₯ = βˆ’3

Source: Exemplar P2 Q5 Higher Maths (18)

Answers: (π‘Žπ‘Ž) 𝑂𝑂𝐡𝐡�����⃗ = 4𝑖𝑖 + 4𝑗𝑗 (𝑏𝑏) 𝑀𝑀𝐡𝐡������⃗ = οΏ½22βˆ’6

οΏ½ 𝑀𝑀𝑀𝑀������⃗ = οΏ½0βˆ’2βˆ’6

οΏ½ (𝑐𝑐) 40.3Β° π‘œπ‘œπ‘Ÿπ‘Ÿ 0.703 π‘Ÿπ‘Ÿπ‘Žπ‘Žπ‘Ÿπ‘Ÿπ‘–π‘–π‘Žπ‘Žπ‘’π‘’π‘Ÿπ‘Ÿ

Source: Exemplar P2 Q6 Higher Maths (19)

Answer: 𝑝𝑝. (𝑝𝑝 + π‘žπ‘ž + π‘Ÿπ‘Ÿ) = 272