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casianogabriel2004
24.10.2019 •
Mathematics
The ordered pairs below represent a relation between x and y. (-3,-3), (-2,0), (-1,3), (0,6), (1,9), (2,12).
could this set of ordered pairs have been generated by a liner function?
a. no, because the y-values decrease then increase
b. yes, because the relative difference between y-values and x-values is the same no matter which pairs of (x,y) values you use to calculate it
c. no, because the distance between consecutive y-values is different than the distance between consecutive x-values
d. yes, because the distance between x-values is inconstant
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Ответ:
are matched respectively to -3, 0, 3, 6, 9, 12.
Thus, as the x-coordinate changes by 1, the y-coordinate changes by 3:
We can represent this change by the following picture:
|
|
(2,12) _ |
|
|
(1,9) _ |
|
|
(0,6) _ |
So, the points are on a straight line, because:
B. Yes, because the relative difference between y-values and x-values is the same no matter which pairs of (x,y) values you use to calculate it
Ответ:
that'd be a sector of 1/3 of a circle, that red central angle, what do you think it'll be then?