cheyanneshaffer cheyanneshaffer
  • 01-03-2021
  • Mathematics
contestada

find the equation of the line passing through (2,3) and (1,5)

Respuesta :

ghanami
ghanami ghanami
  • 01-03-2021

Answer:

y =-2x+7

Step-by-step explanation:

Hello : let  A(2,3)    B(1,5)

the slope is :   (YB - YA)/(XB -XA)

(5-3)/(1-2)  = 2/-1 =-2

an equation is : y=ax+b     a is a slope

y = -2x +b

 

the line through point  (2,3) :  3 = (-2)(2)+b    

b = 7

the equation is : y =-2x+7    

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