HerQuentin
HerQuentin HerQuentin
  • 22-03-2021
  • Mathematics
contestada

A line passes through the points (7,6) and (8,8) What is its equation in slope intercept form?​

Respuesta :

unicorn3125
unicorn3125 unicorn3125
  • 28-03-2021

Answer:

          y = 2x - 8

Step-by-step explanation:

The slope:     [tex]m=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{8-6}{8-7}=\dfrac21=2[/tex]

y = mx + b    ←  slope intercept form

(8, 8)   ⇒   x = 8,  y = 8

so:

8 = 2·8 + b

b = - 8

The equation: y = 2x - 8

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