Which Subset of the real numbers contain 3/4

Rational numbers

Explanation:

Any rational number is of the form p/q

p and q are integers where q is nonzero

In the case of 3/4, p = 3 and q = 4.

The set of integers is {..., -3, -2, -1, 0, 1, 2, 3, ... } consisting of positive and negative whole numbers, with 0 included as well.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,