Answer:
A. The y-intercept is 8 and the slope is 
.
Step-by-step explanation:
We have been given graph of line of best fit. We are asked to find the y-intercept and slope of our given line.
We know that y-intercept of a graph is the point, where line intersects y-axis. upon looking at our given graph, we can see that our line touches y-axis at point (0,8), therefore, y-intercept is 8.
Let us find slope of our given line using points 
as:
Therefore, the slope of our given line is and option A is the correct choice.
First, find the LCD (least common denominator) of the two fractions.
List the multiples of each denominator and find the one that is common.
Multiples of 8: 8, 16, 24, 32, 40
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40
40 is your LCD.
Second, what can you divide by to make the denominators of each fraction '40'? Whatever you do to the bottom you must do to the top.
Third, multiply.
Fourth, since the denominators are the same now, we can combine them.
Fifth, subtract '25 - 16' to get 9.
Since
is already in the simplest form, it is your answer.
Answer as fraction:
Answer as decimal:
