Question

define the variable 'x'and 'y'

Answer 1

Choose your x and y carefully. Scientists like to say that the “independent” variable goes on the x-axis (the bottom, horizontal one) and the “dependent” variable goes on they-axis (the left side, vertical one).

Answer 2

variable other term which keep changing their value in different equations and x and y are such type of variable they keep changing their value in different equations