ciara180
ciara180 ciara180
  • 09-08-2018
  • Mathematics
contestada

Write the equation of a line in slope-intercept form from the graph below.

Write the equation of a line in slopeintercept form from the graph below class=

Respuesta :

rejkjavik rejkjavik
  • 09-08-2018

we can see that the line is straight

so, we can select any two points

we have two points as

(0,1) and (2,-2)

we can use formula

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

where m is slope

b is y-intercept

Calculation of slope:

we can use formula

[tex] m=\frac{y_2-y_1}{x_2-x_1} [/tex]

we have points

(0,1) and (2,-2)

[tex] m=\frac{-2-1}{2-0} [/tex]

[tex] m=\frac{-3}{2} [/tex]

Calculation of intercept:

we are given

point as (0,1)

so, b=1

now, we can find equation

and we get

[tex] y=\frac{-3}{2}x+1 [/tex]............Answer

Answer Link

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