Which of the following is written in explicit form?
A.y=x
B.x^2-6xy-9y^2=0
C.y=0
D. y= -√1-x^2
Explicit form involves y on the left side, and no variable y on the right side, e.g. y=x^2, or y=sqrt(x)+2x
Implicit form would have mixed x and y on either side, or both.
Example: xy+ysup3;=3x²y
