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Tom [10]
3 years ago
13

Write an equation for the line of fit for this data in the form y=mx+b where x is latitude and y is temperature.

Mathematics
1 answer:
notka56 [123]3 years ago
5 0

Answer:

y = -x + 115

Step-by-step explanation:

Given

See attachment for graph

Required

The equation of best fit

First, we pick two corresponding points on the graph,

We have:

(x_1,y_1) =(55,60)

(x_2,y_2) =(45,70)

Calculate slope (m)

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

This gives:

m = \frac{70 - 60}{45 - 55}

m = \frac{10}{-10}

m = -1

The equation is the calculated using:

y = m(x - x_1) + y_1

This gives

y = -1(x - 55) + 60

Open bracket

y = -x + 55 + 60

y = -x + 115

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