maths
posted by lindsay .
The following statement defines a relation R in the natural numbers N. state whether or not each relation is symmetric
1. x is less than or equal to y
2. x+y =10
Respond to this Question
Similar Questions

Math
Define a relation R from Z to Z by (x,y) are in the relation if and only if the absolute value of (xy) is less than or equal to two. Is R symmetric? 
PreCalculus
Given that x is an integer, state the relation represented by absolute value y = x/2 and 0 is less than or equal to x which is less than or equal to 2 by listing a set of ordered pairs. Then state whether the relation is a function. … 
Pre Cal.
Given that x is an integer between 2 and 2, state the relation represented by the equation y = 2abs(x) by listing a set of ordered pairs. Then state whether the relation is a function. I think it's: (2,0) (1,1) (0,2) (1,1) (2,0) 
Discrete Math
Consider the following relations on R, the set of real numbers a. R1: x, y ∈ R if and only if x = y. b. R2: x, y ∈ R if and only if x ≥ y. c. R3 : x, y ∈ R if and only if xy < 0. Determine whether or not … 
Discrete Math
Consider the following relation on R1, the set of real numbers R1 = {(1,1), (1,2), (2,1), (2,2), (3,3), (4,4), (3,2), (2,3)} Determine whether or not each relation is flexible, symmetric, antisymmetric, or transitive. * Reflexive … 
Discrete Math
Which of these relations on {0, 1, 2, 3} are equivalence relations? 
Math
Find the domain and range of the relation, and state whether or not the relation is a function (1,3)(2,3)(3,3)(4,3) 
Discrete Math
a) Show that the relation R on Z x Z defined by (a , b) R (c, d) if and only if a + d = b + c is an equivalence relation. b) Show that a subset of an anti symmetric relation is also anti symmetric. c) Suppose that R is a symmetric … 
Math
Find the domain and range of the relation, and state whether or not the relation is a function. {(3, 9), (3, 10), (3, 11), (3, 12)} 
Discrete Structures
Consider the divisibility relation on the set S = {5,3,2,2,3,5} To be more precise, this is the relation: R = {(x, y) ∈ S^2 x divides y}. Is the relation Reflexive?