Exam (elaborations)
QMI1500 ASSESSMENT 2 SEM ONE 2024 Elementary Quantitative Methods - QMI1500
- Institution
- University Of South Africa (Unisa)
QMI1500 ASSESSMENT 2 SEM ONE 2024 Elementary Quantitative Methods - QMI1500
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2/27/24, 9:56 AM Assessment 2 (page 1 of 20)QMI1500-24-S1 Welcome Message Assessment 2
QUIZ
Question 1
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The parabola below is described by the quadratic function
2
y = ax + bx + c.
Choose the INCORRECT statement.
Considering the properties of this parabola,
Select one:
a. the equation of the axis of symmetry is x = 2 .
b. c > 0 .
c. a < 0 .
d. the discriminant is less than zero.
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=14937686&cmid=845361 1/1
,2/27/24, 9:56 AM Assessment 2 (page 2 of 20)
QMI1500-24-S1 Welcome Message Assessment 2
QUIZ
Question 2
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A diamond ring was bought a number of years ago for R3 180,00 . The value of the ring increases by 4% per year. Answer
the following questions:
a. Determine the exponential function that describes the value of the ring
after t years.
b. Determine the value of the ring nine years after it was bought.
Choose the correct answers.
Select one:
a.
a. V (t) = 3 180,00(1,4)
t
b. R4 526,13
b.
a. V (t) = (3 180,00 × 1,04)
t
b. R4 184,66
c.
a. V (t) = 3 180,00 × (1 + 0,04)
t
b. R4 352,04
d.
a. V (t) = 3 180,00 × 1,04
t
b. R4 526,13
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=14937686&cmid=845361&page=1 1/1
, 2/27/24, 9:56 AM Assessment 2 (page 3 of 20)
QMI1500-24-S1 Welcome Message Assessment 2
QUIZ
Question 3
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Marked out of 1.00
If
3
x − 5 < 1,
8
3
then what is the most accurate description of the value of y, if y = x − 10 ?
4
Select one:
a. y < 2
b. y < 18
c. y < 16
d. y < −18
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=14937686&cmid=845361&page=2 1/1
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