Practice exercises: Roster and set builder forms

Which of the following sets refers to "W is the set of even numbers between 0 and 20"?

• W = {1,3,5,7,9,11,13,15,17,19}

• W = {2,4,6,8,10,12,14,16,18}

• W = {3,5,7,9,11,13,15,17}

• W = {4,6,8,10,12,14}

 If A = { whole numbers less than or equal to 50 } and 

B = {1,2,3,4,...50 }, which of the following statements is true?

• A ⊆ B

• B ⊆ A

• A ⊂ B

• B  ⊄ A

 $M$  is the set of all prime numbers divisible by 3. Which of the following is correct about the set of M?

•  $M=\left\{3,\ 6,\ 12,\ 15,...\right\}$  

•  $M=\left\{2,3\right\}$  

•  $M=\left\{3\right\}$  

•  $M=\left\{3,5,7,9\right\}$  

What method of writing set is applied in D = { x | x is a DLA student}?

• Roster Form

• Universal Form

• Set Builder Notation

• Equivalent Inequality

Tags

CCSS.6.EE.B.6

Which is the correct roster form for this set? N = { x|x is the set of all factors of 10 }?

• N = { 1, 2, 3, ...10 }

• N = { 2, 5, 10 }

• N = { 0, 1, 2, 5, 10 }

• N = { 1, 2, 5, 10 }

How many subsets will this set have? A= {a, b, c} ?

• 8

• 6

• 3

• 0

Tags

CCSS.6.EE.A.1

Every set has _____ as one of its subsets (select all that apply.)

• ∅

• 0

• 1

• 2

Which of the following is a well-defined set?

• The set of all tall boys in grade 7-Camia

• The set of all short girls in grade 7-Magnolia

• The set of all girls with High honors in grade 7- Dahlia

• The set of all intelligent boys in grade 7- Tulip

Which of the given sets is a possible subset of

U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}?

• A = {2, 4, 6, 8}

• B = {1, 3, 5, 7, 9, 11}

• C = {5, 6, 7, 10}

• D = {-2, 3, 4, 5}

Which is NOT an element of the set of countries in Southeast Asia?

• Philippines

• China

• Thailand

• SIngapore