201186582
201186582 201186582
  • 11-03-2021
  • Mathematics
contestada

what is the equation of a line through (-1 4) and (1 -2)

Respuesta :

jenniferdiaz2005 jenniferdiaz2005
  • 11-03-2021
it should be this anwser m=−1
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olivbreadh
olivbreadh olivbreadh
  • 11-03-2021

Answer: y=-3x+1

Step-by-step explanation:

1. Use the formula [tex]\frac{y2-y1}{x2-x1}[/tex]

2. Subsitute:

[tex]\frac{4-(-2)}{-1-1}[/tex] => [tex]\frac{6}{-2}[/tex]

3. Solve for m in the equation y=mx+b:

m=-3(from step above)

4. y+2=-3(x-1)

=> y+2=-3x+3 => y=-3x-1

Have a nice day! :D

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