Which shows a perfect square trinomial?
a. 50y2 – 4x2
b. 100 – 36x2y2
c. 16x2 + 24xy + 9y2
d. 49x2 – 70xy + 10y2

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.