Question

How is the graph of y=-8x^2-2 different from the graph y=-8x^2

Answer 1

http://www.wolframalpha.com/input/?i=graph+-8x^2+and+-8x^2-2
Look for yourself! :D

Answer 2

thanks

Answer 3

y = A ( Bx + C ) + D

D = vertical shift, D > 0, up, D < 0, down