What is the vertex and x-intercepts of the graph of the function below y=x^2-6x-7
2 answers:
Answer: The vertex is (3, 16) and the x-intercepts are (-1, 0) and (7, 0).
Step-by-step explanation: We are given to find the vertex and x-intercepts of the graph of the following function :
We know that
the vertex of the graph of function is given by (h, k).
From equation (i), we have
Therefore, the vertex is (3, 16).
The x-intercepts of function (i) will be given by
Thus, the vertex is (3, 16) and the x-intercepts are (-1, 0) and (7, 0).
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Kindly find complete question attached below
Answer:
Kindly check explanation
Step-by-step explanation:
Given a normal distribution with ;
Mean = 36
Standard deviation = 4
According to the empirical rule :
68% of the distribution is within 1 standard deviation of the mean ;
That is ; mean ± 1(standard deviation)
68% of subjects :
36 ± 1(4) :
36 - 4 or 36 + 4
Between 32 and 40
2.)
95% of the distribution is within 2 standard deviations of the mean ;
That is ; mean ± 2(standard deviation)
95% of subjects :
36 ± 2(4) :
36 - 8 or 36 + 8
Between 28 and 44
3.)
99% is about 3 standard deviations of the mean :
That is ; mean ± 3(standard deviation)
99% of subjects :
36 ± 3(4) :
36 - 12 or 36 + 12
Between 24 and 48
