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romanna [79]
3 years ago
5

Is the relationship shown by the data linear? If so, model the data with an equation.

Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

The relation is linear

Step-by-step explanation:

shepuryov [24]3 years ago
5 0

Answer:

Yes, the relationship shown is linear. The equation of the line is y=-1.25x-13.25.

Step-by-step explanation:

This data is linear as y decreases at a constant rate. The equation of a line is y=mx+b, where m=slope and b=y intercept

To find m:

m=\frac{y2-y1}{x2-x1}

m=\frac{(-2)-(-7)}{(-9)-(-5)}

m=\frac{5}{-4}

m=-\frac{5}{4}=-1.25

To find b, you can use any of the given points:

(-9,-2)

(-2)=-1.25(-9)+b

-2=11.25+b

-2-11.25=b

b=-13.25

Therefore, using the calculated values for m and b:

y=mx+b

y=-1.25x-13.25

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