If you would like to find the next two numbers in the pattern 7, -28, 112, -448, you can do this using the following steps:
7, -28, 112, -448, x, y
7 * (-4) = -28
-28 * (-4) = 112
112 * (-4) = -448
x = -448 * (-4) = 1792
y = 1792 * (-4) = -7168
The correct result would be 1792 and -7168.