sophiaheartpupp
sophiaheartpupp sophiaheartpupp
  • 09-10-2018
  • Mathematics
contestada

Graph the following lines and write the equation in slope-intercept form. Through the point (2,−4) with y-intercept of −2.

HELP!!!!!!!!

Respuesta :

carlosego
carlosego carlosego
  • 18-10-2018

For this case we have that by definition, the equation in the form of slope-intersection is given by:


[tex]y = mx + b[/tex]

Where

  • m is the slope
  • b is the cut point

Substituting the given point: [tex](x, y) = (2, -4)[/tex] and the cutoff point [tex]b = -2[/tex] we can find the slope,


We have:


[tex]-4 = m * 2-2\\-4 = 2m-2\\-4 + 2 = 2m\\-2 = 2m[/tex]

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

Thus, the equation is given by:


[tex]y = -x-2[/tex]

Answer:


[tex]y = -x-2[/tex]

See attached image


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