Seudónimo Seudónimo
  • 23-11-2018
  • Mathematics
contestada

What is the slope of the line that passes through the points (7, -2 ) and ( -1, -5)

A. 3/8

B. -3/8

C. 1/2

D. 0

E. 8/3

Respuesta :

jimrgrant1 jimrgrant1
  • 23-11-2018

A

to calculate the slope m use the gradient formula

m = ( y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (7, - 2 ) and (x₂, y₂ ) = (- 1, - 5 )

m = [tex]\frac{-5+2}{-1-7}[/tex] = [tex]\frac{-3}{-8}[/tex] = [tex]\frac{3}{8}[/tex] → A


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