MATHS FORM 1: Introduction of Sets

What is set?

• A collection of data that are classified into any group

• A collection of elements written using braces

• A collection of elements having the same characteristics

• A collection of data obtained through some experiments

Sets can be described using the following ways, EXCEPT...

• Description

• Listing

• Set builder notation

• Explanation

Describe the set of letters in the word "MALAYSIA" using listing method

• {M,A,L,A,Y,S,I,A}

• {M,A,L,Y,S,I}

• (M,A,L,Y,S,I)

• [M,A,L,Y,S,I]

A={x : x is a prime number less than 20}

• {2,3,5,7,11,13,17,19}

• {1,2,3,5,7,11,13,17,19}

• {2,3,5,7,9,11,13,17,19}

• {2,3,5,7,11,13,15,17,19}

Tags

CCSS.4.OA.B.4

An empty set or null set is represented by which Greek Letter?

• $\phi$

• $\xi$

• $\mu$

• $\lambda$

Another way of writing an empty set is?

• { }

• {0}

• { $\xi$ }

• { $\phi$ }

Which Greek Letter represents "an element of"?

• $\epsilon$

• $\zeta$

• $\xi$

• $\gamma$

A={states in Malaysia}, which one of the following is correct?

• Johor $\epsilon$ A

• Putrajaya $\epsilon$ A

• Langkawi $\epsilon$ A

• Bangsar $\epsilon$ A

Number of sets in set P can be represented by which notation?

• n(P)

• m(P)

• n(A)

• n( $\xi$ )

Given that P={letters in the word WAWASAN}, find n(P)

• 4

• 5

• 6

• 7