
14. Mr. Chapakazi commenced business on 1
st
June, 2011 with capital in cash 5,500,000/=
June 2 Bought goods by Cash 2,000,000/=
3 Bought furniture for Cash 600,000/=
7 Sold goods for Cash 2,000,000/=
11 Cash purchases 700,000/=
13 Paid Rent for Cash 2,000,000/=
16 Cash Sales 950,000/=
20 Paid Transport for Cash 80,000/=
22 Sold goods for cash 250,000/=
26 Paid salaries for Cash 160,000=
Record the above transactions in the cash account, balance them and extract the Trial Balance.
15. (a) Given find A
−1
.
(b) Use the results obtained in part (a) to find the point of intersection of the following system of
simultaneous equations:
2x + 6y = 22
4x + 8y = 32
(c) Find the image of the point obtained in part (b) above under a rotation 90° anticlockwise.
16. (a) A die and a coin are tossed together. What is the probability of getting a tail and an even
number?
(b) Draw the graph of the inverse of R = {(x, y) : y ≥ 0 and y ≤ x} . Find its domain and range.
(c) Without using a table of values, draw the graph of y = x
2
− 4x + 2 and use it to solve the
equation x
2
− 4x = 5 .
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