Concept explainers
For Exercises
Which ordered pair represents a linear function?
A.
B.
C. (-2,-1),(-1,-4),(0,-5),(1,-4) and (2,-1)
D.
To select the order pair that represents a linear function.
Answer to Problem 1STP
A.)
Explanation of Solution
Given information:
Given options
In order to be a linear function, a set of ordered pair must have a constant rate of change.
In the given order pairs in all options, x -coordinate values are {-2,-1,0,1,2}.
Differences of x -coordinate values of ordered pairs in all options is 1.
But only the differences of y -coordinate values of ordered pairs in option A is constant.
It can be seen that
This shows a constant rate of change of 6.
So, the correct answer is
A.)
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