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never [62]
3 years ago
15

What is the equation in point-slope form of a line that passes through the points (−4, −1) and (5, 7) ?

Mathematics
1 answer:
Sergio039 [100]3 years ago
6 0

The point-slope form:

y-y_1=m(x-x_1)

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-4, -1) and (5, 7). Substitute:

m=\dfrac{7-(-1)}{5-(-4)}=\dfrac{7+1}{5+4}=\dfrac{8}{9}\\\\\boxed{y-7=\dfrac{8}{9}(x-5)}


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With the given information about how the box plot looks like, let's examine each option to see if they are true or not.

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<u><em>Option B: "The value 70 is an outlier in the trail mix data.</em></u>"

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<em><u>Option C: "The upper quartile of the trail mix data is equal to the maximum value of the cracker data."</u></em>

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This is statement is correct because trail mix data have a greater range value, hence, it has a greater variation in the number of calories.

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