INDIVIDUAL ASSIGNMENT
SUBMIT THE ANSWERS IN HANDWRITING NO LATTER THAN 4PM, 24
TH
MARCH 2020
MARKS WILL BE DEDUCTED FOR LATE SUBMISSION
ANSWER ALL QUESTIONS.
1.
Sham, Ayie and Han have bought tickets for three separate performances. The table below shows the number of tickets bought by each of them.
Sham
Ayie
Han
Concert
1
2
1
Opera
2
2
3
Movie
3
3
4 a.
If Sham’s tickets cost RM110, Ayie’s tickets cost RM130 and Han’s tickets costs
RM150, represent these information in the form of matrices AX = B . b.
How much is the ticket price for each performance? (use Inverse method) c.
How much does it cost to purchase four concert tickets and three opera tickets?
2.
Determine the equation of the quadratic function which passes through the points
(-2, -20), (1, -13/2) and (4, -38).
3.
The fixed cost of producing a product is RM600 per month and the variable cost is 10% of the fixed cost. The product is sold for RM80 each. Find the number of units of the product that must be sold per month to obtain a profit of RM300 per month.