Question

Graph: x^2/9 - (y+2)^2/9 = 1

I do not have any points to graph for this equation.

Any suggestions?

Thanks.

Answer 1

form hyperbola opening right and left

center at 0, -2

put in
x = 0, y = ? imaginary
x = 3, y = one answer
x = -3, y = one answer
x = 4, y = two answers
x = -4, y = two answers
x = 5, y = two answers
x = -5, y = two answers
etc