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Using the graph below, what is the best estimate of month 7's average temperature if the equation for the line of best fit is y = -13x + 111?

Using the graph below what is the best estimate of month 7s average temperature if the equation for the line of best fit is y 13x 111 class=

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zexius

Substitute x to be 7 (for month 7) and work out the equation:

y = -13(7) + 111

y = -91 + 111

y = 20

Your answer is 20 degrees Fahrenheit.

Answer:

The estimated average temperature for 7 month is 20 °F.

Step-by-step explanation:

The given graph shows the relation between number of months and average temperature.

The  equation for the line of best fit is

[tex]y=-13x+111[/tex]

Where, x is number of months and y is average temperature(°F).

We need to find the average temperature for 7 month.

Substitute x=7 in the given equation of best fit line.

[tex]y=-13(7)+111[/tex]

[tex]y=-91+111[/tex]

[tex]y=20[/tex]

Therefore the estimated average temperature for 7 month is 20 °F.

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