Coach E's Basic Set Theory

Is this collection well-defined, and therefore a set? The collection of elderly full-time students currently enrolled at IVCC.

• Yes, well defined and a set

• No, not well defined and not a set

• Not really sure.

Use the Roster Method to express: the set of the four seasons in the year.

• {winter, spring, summer, fall}

• spring, summer, fall, winter

• (winter, spring, fall, summer)

{A, B, C, D, E, F, G, H, I, J, K, L, M}

• Roster Form
• Universal Form
• Set Builder Notation
• Equivalent Inequalities

Tags

CCSS.5.OA.B.3

What type of set is denoted as either { } or ∅?

• Universal Set
• Empty (or Null) Set
• Disjointed Set
• Complement of a Set

Equal, equivalent, both or neither. { man, woman, girl, boy } and { 10, 20, 30, 40}

• Equal
• Equivalent
• Both
• Neither

Equal, equivalent, both or neither.                                  { d, o, g} and  {g, o, d}

• Equal
• Equivalent
• Both
• Neither

Equal, equivalent, both or neither. { 200, 201, 202, 203 } and {200, 201, 202, 203, 204 }

• Equal
• Equivalent
• Both
• Neither

What is the cardinal number of {1,4,7,10,.....24

• 5

• 8

• 14

• 10