 ## SPM Additional Mathematics 2018, Paper 2 (Question 13 & 14)

Question 13 (10 marks):Table 2 shows the information related to four ingredients, J, K, L and M, used in the production of a type of energy drinks.The production cost for this energy drinks is RM47600 in the year 2017.(a) If the price of ingredient K in the year 2013 is RM4.20, find its price in … Read more

## SPM Additional Mathematics 2018, Paper 2 (Question 10 & 11)

Question 10 (10 marks):Diagram 7 shows the straight line 4y = x – 2 touches the curve x = y2 + 6 at point P. Find(a) the coordinates of P,(b) the area of the shaded region,(c) the volume of revolution, in terms of π, when the region bounded by the curve and the straight line … Read more

## SPM Additional Mathematics 2018, Paper 2 (Question 7 – 9)

Question 7 (10 marks): ( a ) Prove sin( 3x+ π 6 )−sin( 3x− π 6 )=cos3x ( b ) Hence, ( i ) solve the equation sin( 3x 2 + π 6 )−sin( 3x 2 − π 6 )= 1 2  for 0≤x≤2π  and give your answer in the simplest fraction form in terms of π radian. ( ii ) sketch the graph of y=sin( 3x+ π 6 )−sin( 3x− π 6 )− 1 2  for 0≤x≤π. Solution: ( a ) Left hand side, … Read more

## SPM Additional Mathematics 2018, Paper 2 (Question 5 & 6)

Question 5 (7 marks):Mathematics Society of SMK Mulia organized a competition to design a logo for the society.Diagram 3 shows the circular logo designed by Adrian. The three blue coloured regions are congruent. It is given that the perimeter of the blue coloured region is 20π cm.[Use π = 3.142]Find(a) the radius, in cm, of … Read more

## SPM Additional Mathematics 2018, Paper 2 (Question 3 & 4)

Question 3 (6 marks):Solution by scale drawing is not accepted.Diagram 1 shows a triangle OCD.Diagram 1(a) Given the area of triangle OCD is 30 units2, find the value of h.(b) Point Q (2, 4) lies on the straight line CD.(i) Find CQ : QD.(ii) Point P moves such that PD = 2 PQ.   Find … Read more

## SPM Additional Mathematics 2018, Paper 2 (Question 1 & 2)

Question 1 (6 marks):The sum of the first n terms of an arithmetic progression, Sn is given by S n = 3n( n−33 ) 2 .  Find(a) the sum of the first 10 terms,(b) the first term and the common difference,(c) the value of q, given that qth term is the first positive term of … Read more