anonymous
  • anonymous
Choose the point-slope form of the equation below that represents the line that passes through the points (−3, 2) and (2, 1). y + 3 = −5(x − 2) y − 2 = −5(x + 3) y + 3 = −one fifth(x − 2) y − 2 = −one fifth(x + 3)
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Nnesha
  • Nnesha
use the same formula to find slope \[\huge\rm \frac{ y_2 -y_1 }{ x_2 -x_1 }\] formula to find slope now plug x's and y's into the formula (x_1 , y_1 )(x_2 ,y_2)
anonymous
  • anonymous
can you give me a little help
Nnesha
  • Nnesha
sure. in this order pair first number is x-coordinate and 2nd one is y so |dw:1442234657789:dw|

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Nnesha
  • Nnesha
x_1 = -3 y_1 = 2 now look at this order pair (2,1) what's x and what is y?
anonymous
  • anonymous
-3,1
Nnesha
  • Nnesha
hmm x= what y= ?? in the order pair ( 2,1) there isn't any -3
Nnesha
  • Nnesha
like i said first number in the order pair represent x value
Nnesha
  • Nnesha
so in this order pair (2,1) which one is x and which one is y?
anonymous
  • anonymous
i'm very confused
Nnesha
  • Nnesha
okay what u didn't understand ? :=)
anonymous
  • anonymous
x_1 = -3 y_1 = 2 now look at this order pair (2,1) what's x and what is y?
Nnesha
  • Nnesha
|dw:1442235080851:dw| first number in the order pair represent x-coordinate so in this order pair (-3,2) x= -2 and y =2
Nnesha
  • Nnesha
so in this order x-coordinate is what ?(2,1) what number is replaced with the x ? x= ?? y= ??
anonymous
  • anonymous
wait nevermind I got the answer
Nnesha
  • Nnesha
okay good what did you get ? and plz show ur work as well
anonymous
  • anonymous
The equation is of the form y - y1 = m(x - x1) (x1, y1) is either of the given points; "m" is the slope. Find the slope. m = (y2-y1)/(x2-x1) ....= (1-2)/(2+3) = -1/5 However, this slope is not in any of the options, and I checked my work, so either you mistyped something, maybe one of the points, or the people making the book made a mistake. Plug in either point for y1 and x1 in the equation. Apparently they used (-3, 2). y - 2 = -(1/5)(x - (-3)) y - 2 = -(1/5)(x + 3) so the last one is the answer
Nnesha
  • Nnesha
nice copy paste.
Nnesha
  • Nnesha
what do you mean ` However, this slope is not in any of the options, and I checked my work, so either you mistyped something, maybe one of the points, or the people making the book made a mistake` ?? i mistyped something ?

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