Answer:
Step-by-step explanation:
y=-2x²+6
x=0,y=6
x=1,y=-2(1)²+6=-2+6=4
x=-1,y=-2(-1)²+6=-2+6=4
x=2,y=-2(2)²+6=-8+6=-2
x=-2,y=-2(-2)²+6=-8+6=-2
x=3,y=-2(3)²+6=-18+6=-12
x=-3,y=-2(-3)²+6=-18+6=-12
................................................
...............................................
................................................
plotting the points (0,6),(1,4),(-1,4),(2,-2),(-2,-2),(3,-12),(-3,-12),...
we get the following graphs.