Problem Solving (PS) | S is the set of all ordered pairs (x, y) of integers such that -10 x

S is the set of all ordered pairs (x, y) of integers such that -10 ≤ x ≤ 10 and -5 ≤ y ≤ 15.
What is the number of ordered pairs (x, y) in S such that x=y ?

A. 10

B. 12

C. 14

D. 16

E. 18

Solution:-
S is the set of all ordered pairs (x, y) of integers such that -10 ≤ x ≤ 10 and -5 ≤ y ≤ 15.
-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10
Number count here is =16

Statistics : Posted by harshittahuja • on 16 Nov 2022, 05:46 • Replies 2 • Views 77

---