Answer:
-162, 486, and -1,458
Step-by-step explanation:
If you look at the first three numbers, they are each multiplied by -3. So just keep multiplying by negative three and that will be how you get your answers. Hope this helps!
x = -3
The vertex lies on the axis of symmetry, whose x-coordinate is halfway between -9 and 3: x = -3
19750
