SOLUTION: I am in need of some serious help with my algebra. Can you tell me if the function f(x)=-1/2x is increasing, decreasing or constant?

Question 671589: I am in need of some serious help with my algebra. Can you tell me if the function f(x)=-1/2x is increasing, decreasing or constant?
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
f(x) = -1/2x is the same as y = -1/2x
...
Thinking of y = mx + b
The slope is
...
Since the slope is negative, it is decreasing.
An increasing slope is positive and a constant slope is a vertical or horizontal line.
...

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