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Grade 8 - Mathematics
A relation is a sub set of a Cartesian product of two sets. Therefore a relation is a set of ordered pairs.
If (a,b) = (6,7), then a = 6 and b = 7.
Solve the following problems. Also write at least five examples of your own.
: If (a,b) = (b,a) then a ____ b, choose appropriate symbol.
: If (a+b,a-b) = (8,2) then b = ____.
: If (1,2) ___ (2,1), choose appropriate symbol.
: If (1,2) ___ (1,2), choose appropriate symbol.
: If (a+b,a-b) = (5,1)the a = _____.
: If (a,b) = (4,5) then a ___ 4, choose appropriate symbol.
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