nevaeh660606
nevaeh660606 nevaeh660606
  • 23-10-2020
  • Mathematics
contestada

Write an equation for the line that goes through the point (7,1) and has a slope of -1

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billgkgk
billgkgk billgkgk
  • 25-10-2020

Answer:  y = -x + 8

Step-by-step explanation:

Use the slope given and Substitute the y and x-values from the given coordinate into the equation and solve for b

y = mx + b

1 = -1(7) + b

1 = -7 + b

8 = b

Rewrite the equation without the y and x values, substitute the value  of b

y = -x + 8

(1 disappears, as 1 is implied in multiplication but  keep the negative sign)

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