Question

whether the equation defines y as a function of x: x^2+y^2=144

Answer 1

What do you think?

Answer 2

What shape does this equation make?

Answer 3

For each \(x\) do you have one and only \(y\)?

Answer 4

Now think of what a function is- it must pass the vertical line test.

Answer 5

can you convert it to the form ' y = '

Answer 6

@kinesio55 ..?