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vladimir1956 [14]
3 years ago
9

Is knowing the coordinates of the vertex of a parabola enough to determine the domain and range?

Mathematics
2 answers:
puteri [66]3 years ago
5 0

The <em>correct answers</em> are:


C) No: we would need to know if the vertex is a minimum or a maximum; and

C)( 0.25, 5.875).


Explanation:


The domain of any quadratic function is all real numbers.


The range, however, would depend on whether the quadratic was open upward or downward. If the vertex is a maximum, then the quadratic opens down and the range is all values of y less than or equal to the y-coordinate of the vertex.


If the vertex is a minimum, then the quadratic opens up and the range is all values of y greater than or equal to the y-coordinate of the vertex.


There is no way to identify from the coordinates of the vertex whether it is a maximum or a minimum, so we cannot tell what the range is.


The graph of the quadratic function is shown in the attachment. Tracing it, the vertex is at approximately (0.25, 0.5875).

kykrilka [37]3 years ago
3 0

The answer is B.) folks he got the right answer he just put the wrong letter for it

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