1- what type of conic section is represented by the table of values below?

1- what type of conic section is represented by the table of values below?

x- -3 -2 -1 0 1 2 3 

y- 0 +-

a) circle   b) parabola   c) hyperbola   d) ellipse

2- what type of conic section is represented by the table of values below?

x -  -4 -3 0 3 4

y -  0 +-2 +-3 +-2 0

a) circle   b) parabola   c) hyperbola   d) ellipse

3- what type of conic section is represented by the table of values below?

x -  -2 -1 0 1 2

y -  0 -3 -4 -3 0

a) circle   b) parabola   c) hyperbola   d) ellipse

4- what type of conic section is represented by the table of values below?

x -  -7 -6 -5 5 6 7

y -  +-2√6 +-√11 0 0 +-√11 +-2√6