nskd95 nskd95
  • 17-01-2020
  • Mathematics
contestada

write an equation passing through the point and parallel to the given line. (4,7);y=3x+4

Respuesta :

calculista
calculista calculista
  • 25-01-2020

Answer:

[tex]y=3x-5[/tex]

Step-by-step explanation:

step 1

Find the slope

we know that

If two lines are parallel, then their slopes are equal

The slope of the given line is [tex]m=3[/tex]

so

The slope of the line parallel to the given line is also [tex]m=3[/tex]

step 2

Find the equation of the line in point slope form

[tex]y-y1=m(x-x1)[/tex]

we have

[tex]m=3[/tex]

[tex]point\ (4,7)[/tex]

substitute

[tex]y-7=3(x-4)[/tex]

step 3

Convert to slope intercept form

isolate the variable y

[tex]y-7=3x-12\\y=3x-12+7\\y=3x-5[/tex]

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