What are the coordinates the vertex for the quadratic function below? f(x)=-5(x-10)^2-8
1 answer:
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Given:
The table of values.
To find:
The equation that best represents the relationship.
Solution:
From the given table it is clear that the value of x increasing by 2 and the value of y increasing by 3. Since y is increasing at a constant rate with respect to x, therefore the given table represents a linear relationship.
Consider any two points from the given table. Let the two points are (2,2) and (4,5). So, the equation of the line is
On further simplification, we get
Therefore, the correct option is A.
