The table shows ordered pairs of the function y= 8 - 2x. What is the value of y when x= 8?
A. –20
B. –8
C. 8
D. 48

Answer:
The answer is -8 (Option B)
Step-by-step explanation:
You can solve this by replacing x in the equation with 8, because the question give us what x equals. So instead of y=8-2x, we get y=8-2(8)
Now that we have the complete equation, we can solve for y:
y= 8 - 2x
y= 8 - 2(8)
y= 8 - 16
y= -8
Answer: OPTION B.
Step-by-step explanation:
You know that the function is:
[tex]y= 8 - 2x[/tex]
Then, in order to find the value of the variable "y" when the value of the variable "x" is 8 ([tex]x=8[/tex]), you need to substitute this value into the function [tex]y= 8 - 2x[/tex].
Therefore, this is:
[tex]y= 8 - 2x\\\\y= 8 - 2(8)\\\\y= 8 - 16\\\\y=-8[/tex]