1. Which of the following is a well defined set?
a. A set of good writers b. A set of factors of 3
c. A set of honest students in grade seven d. A set of small numbers
2. Which of the following is the symbol of null set?
a.ᴜ b. ∩ c. d.
3. Michelle listed the set of all letters in the word ‘’ serendipity ’’ as shown below. What is wrong
with this set? A = { s,e,r,e,n,d,i,p,i ,t,y }
a. It uses commas. b. It uses braces
c. The objects in this set are not listed once d. A capital letter is used to represent this set
4. Given the set of the letters in the word ‘’LOVE’’. What is the cardinality of the given set?
a. 11 b. 8 c. 6 d. 4
5. How many subsets does G = { t,e,a,m} have?
a. 4 b. 12 c. 16 d. 20
6. Are the set of natural numbers {1,2,3,4…}
a.counting numbers b. whole number c.set d. union
7.______________ are consist of positive integers ,the number zero and negative integers.
a. Integers b. union c.absolute value d. significant
8. The numerator is the dividend and denominator is _____________
a. Divisor b. quotient c. product d. sum
9. It represents the distance of a number on a number line.
a. Absolute Value b. Integers c. Rational Numbers d. Scientific Notation
10. Find the sum of -24 and 46.
A. -22 b. -70 c. 22 d. 70
11. What is the absolute Value of 56.
a. -56 b. 0 c. 56 d. -56 and 56
12.Find the product of -21 and -3.
a. -63 b. -24 c. -7 d. 63
13. Find the quotient of -72 ÷ 9.
a. -63 b. -8 c. 8 d.
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Answer:
1. b
2. {} or ∅
3. c (a set cannot have duplicate elements by its mere definition)
4. d (how many letters in a set)
5. c (n(G) = 4, no. of subsets of G = 2^4 = 16)
6. a (it isn't a counting number since there is no 0)
7. a
8. a (the denominator is the bottom number of a fraction/a divisor)
9. a
10. c
11. c (the absolute value of a number is how far away the number is from zero, the absolute value is ALWAYS positive)
12. d
13. b
Based from research and knowledge #Carryonlearning