Question

Given the function y = -1/2 x + 2, which set of numbers completes the table? also how's it done?
INPUT OUTPUT
-4 4
-2 x
0 x
2 x
A. -1, -2, -3
B. 1, 2, 3
C. 4, 4, 4
D. 3, 2, 1

Answer 1

y = (-1/2) x + 2

Substitute a given value for x and crank out the corresponding y-value.

For example, for the value x = -2, do the following:

y = (-1/2) * (-2) + 2
y = ?

Answer 2

Could you explain how I add the fraction in there, im really lost on this.

Answer 3

The output for -2 is 3.