LukeStarCar04 LukeStarCar04
  • 15-10-2018
  • Mathematics
contestada

what is an equation of a line, in point slope form, that passes through (1, -7) and a slope of -2/3

what is an equation of a line in point slope form that passes through 1 7 and a slope of 23 class=

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Joclynirons
Joclynirons Joclynirons
  • 15-10-2018

[tex]y + 7 = - \frac{2}{3} (x - 1)[/tex]
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1subasinghet
1subasinghet 1subasinghet
  • 15-10-2018
Y = mx + b

Substitute x and y values with (1,-7)
And sub in slope -2/3 to find b value

-7 = -2/3(1) + b
-7 = -2/3 + b

Multiply both sides by denominator (3)

-21 = -2 + 3b

-19 = 3b

-19/3 = b


Plug into formula


Y = -2/3x + -19/3
Answer Link

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