QMI1500 ASSESSMENT 13 OF SEM 2 2023 EXPECTED QUESTIONS AND ANSWERS

Started on Monday, 4 September 2023, 6:43 PM
State Finished
Completed on Monday, 4 September 2023, 7:27 PM
Time taken 43 mins 35 secs
Grade 8.00 out of 10.00 (80%)

Question 1 When his son was three years old, Vuyisanani made a deposit of R16 200,00 R16200,00 in the
Correct bank. The investment grew at a simple interest rate and, when Vuyisanani's son was 2222 years
M ark 1.00 out of
old, the value of the investment was R46 980,00 R46980,00. Had the interest been
1.00 1,25% 1,25% less, how much interest would he have accumulated in the 1919 years?


Select one:
a. R26 932,50 R26932,50

b. R30 780,00 R30780,00

c. R19 338,68 R19338,68

d. R3 847,50 R3847,50

,Question 2 The correct graphical representation of the solution space of the system of linear inequalities
Incorrect
4y + 7x ≤ 28 4��� + 7��� ≤ 28
M ark 0.00 out of
1.00
3y + 2x > 12 3��� + 2��� > 12
4y − 3x > 12 4��� − 3��� > 12
x≥ 0 ��� ≥ 0
y≥ 0 ��� ≥ 0

is



Select one:
a.




b.




c.

, d.




Question 3 Solving for p��� in the inequality
Correct
M ark 1.00 out of −5p − 2 3 + 4p −5��� − 2 3 + 4���
1.00 − ≤ 2+p − ≤ 2 + ���
5 2 5 2
gives



Select one:
a. 7 7
p≤− ��� ≤ − .
5 5


b. 31 31
p≤− ��� ≤ − .
40 40


c. 39 39
p≥− ��� ≥ − .
40 40


d. 13 13
p≥− ��� ≥ − .
8 8

, Question 4 6x + 2y ≤ 840 6��� + 2��� ≤ 840
Incorrect
2x + y ≥ 300 2��� + ��� ≥ 300
M ark 0.00 out of
x + y ≤ 250 ��� + ��� ≤ 250
1.00
���; ��� ≥ 0.
x; y ≥ 0.

The feasible region represented by the above constraints is

Select one:
a.




b.