2 years ago

Find the x coordinate of the vertex of the parabola sketched in the figure below ?

Mathematics

1 answer:

ivanzaharov [21]2 years ago

5 0

Answer:

Step-by-step explanation:

x-coordinate of vertex is 4

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Scores on an AP Exam at a local high school are recorded in the table. What was the average score?

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Explanation:

We are given the below frequency table:

Score Frequency

1 | 0

2 | 3

3 | 4

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Let's denote the score by $x$ and frequency by $f$ .

The average formula is:

$Average=\frac{\sum fx}{\sum f}$

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