Greatthinker2000 Greatthinker2000
  • 01-11-2017
  • Mathematics
contestada

What is the slope of the line that passes through (4,1) and (7,-2) ?

A. 1

B. -1

C. -1/3

Respuesta :

Rezi
Rezi Rezi
  • 01-11-2017
Use the slope formula to solve this.

m = y₂ - y₁ / x₂ - x₁
So since the points are (4, 1) and (7, -2) here's how you'd work it out:

Substitute the variables for the corresponding number.
m = -2 - 1 / 7 - 4
Solve the top and bottom.
m = -3 / 3
Now divide.
m = -1

So your answer is B.

Answer Link

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