zeiglerjules5 zeiglerjules5
  • 22-05-2022
  • Mathematics
contestada

(x, 1) and (-3, 7); slope: -3

Respuesta :

xenia168
xenia168 xenia168
  • 22-05-2022

Answer:

x = - 1

Step-by-step explanation:

( [tex]x_{1}[/tex] , [tex]y_{1}[/tex] )

( [tex]x_{2}[/tex] , [tex]y_{2}[/tex] )

m = [tex]\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]

~~~~~~~~~~~~~

Assume,

x = [tex]x_{1}[/tex]

1 = [tex]y_{1}[/tex]

- 3 = [tex]x_{2}[/tex]

7 = [tex]y_{2}[/tex]

m = - 3

then

[tex]\frac{7-1}{-3-x}[/tex] = - 3

- 3 - x = 6 ÷ ( - 3 )

- 3 + 2 = x

x = - 1

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