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Bnu1501 Assignment 1 Semester 2 2024
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8/1/24, 11:41 AM Assessment 1: Attempt reviewUNISA 2024 BNU1501-24-S2 Welcome Message Assessment 1
QUIZ
Started on Thursday, 1 August 2024, 11:24 AM
State Finished
Completed on Thursday, 1 August 2024, 11:40 AM
Time taken 16 mins 57 secs
Grade 95.00 out of 100.00
WHATSAPP 064 516 7275
Question 1 WHATSAPP 064 516 7275
Complete
Mark 5.00 out of 5.00
Numbers like …, -3, -2, -1, 0, 1, 2, 3, … are called ________.
A. Whole numbers
B. Rational numbers
C. Integers
D. Natural numbers
Question 2
Complete
Mark 5.00 out of 5.00
Which of the following numbers is NOT a factor of 15?
A. 1
B. 5
C. 3
D. 4
Question 3
Complete
Mark 5.00 out of 5.00
Which one of the following numbers is a prime number?
A. 3
B. 4
C. 6
D. 8
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,8/1/24, 11:41 AM Assessment 1: Attempt review
Question 4
Complete
Mark 5.00 out of 5.00
Which one of the following numbers can be rounded off to 1,278.06?
A. 1,278.054
B. 1,278.066
C. 1,278.065
D. 1,278.055
Question 5
Complete
Mark 5.00 out of 5.00
The multiplicative identity of real numbers is ___.
A. 0
B. 1
C. 2
D. -1
Question 6
Complete
Mark 5.00 out of 5.00
Some pens are shared among three students Anne, Lucy and John. Anne gets 5
times as many pens as Lucy, and Lucy gets 2 pens less than John. Suppose John
gets x pens, how many pens does Anne get in terms of x?
A. 5(x - 2)
B. 5 + x - 2
C. 5x - 2
D. x-2
Question 7
Complete
Mark 5.00 out of 5.00
What is the de nition of a constant?
A. The letter used to represent a quantity
B. The number in front of a variable
C. The number with no variable
D. The little number or letter used to raise to a power
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,8/1/24, 11:41 AM Assessment 1: Attempt review
Question 8
Complete
Mark 5.00 out of 5.00
The multiplication of a number 4 by a variable y can be represented in more than
one way. Which of the following representations is INCORRECT?
A. 4∙y
B. 4y
C. 4y
D. 4(y)
Question 9
Complete
Mark 5.00 out of 5.00
In this expression -2a + 6b - 10, what are the coe cients?
A. -2, -6 and -10
B. -2 and 6
C. a and b
D. 2, 6 and 10
Question 10
Complete
Mark 5.00 out of 5.00
Subtracting the sum of 2x + x3 and −8 − 5x3 + 4x from x + 7 gives
A. −4x3 + 7x − 1
B. 4x3 + 5x − 15
C. 4x3 − 5x + 15
D. −4x3 + 7x + 1
Question 11
Complete
Mark 5.00 out of 5.00
Jackie has 2 electronic beepers. One beeps after every 5 seconds and the second
beeps after every 9 second. At what time both beepers will beep at same time?
A. 60
B. 40
C. 45
D. 55
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, 8/1/24, 11:41 AM Assessment 1: Attempt review
Question 12
Complete
Mark 5.00 out of 5.00
De ne the term “expression” in algebra.
A. A mathematical sentence
B. A number
C. A combination of variables, numbers, and operators
D. An equation with an equal sign
Question 13
Complete
Mark 5.00 out of 5.00
I have 15 mu ns, x of them are red-velvet avored, 5 of them are chocolate
avored and the rest are vanilla avored. An expression in terms of x for the
number of vanilla avored mu ns I have is
A. 15 − (x − 5)
B. 10 − (x − 5)
C. 10 − x
D. \(10-(-x-5)\)
Question 14
Complete
Mark 5.00 out of 5.00
Simplify the expression: \((4x + 3) - (5x + 9)\)
A. \(-x+12\)
B. \(9x+12\)
C. \(9x-6\)
D. \(-x-6\)
Question 15
Complete
Mark 5.00 out of 5.00
The expression \(24÷4+2-[(18-3×2)-(3×4-2)]\) can be written as
A. \(8-12+10\)
B. \(8-30-10\)
C. \(4-12-6\)
D. \( 4-30-10\)
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