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23-12-2021
Mathematics

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A straight line passes through points (-1, 5) and (2, -4). What is the law of the function represented by this line?

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rspill6 rspill6

23-12-2021

Answer:

y = -3x+2

Step-by-step explanation:

See attachment.

Find the slope:

Rise = (-4 - 5) = -9

Run = (2 - (-1)) = 3

Slope(Rise/Run) = -3

Find the y-intercept:

y = mx + b

y = -3x + b

5 = -3*(-1)+b [Use point (-1,5)

b = 2

====

y = -3x + 2

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