anonymous
  • anonymous
Choose the equation below that represents the line passing through the point (1, -4) with a slope of one half. Choose the equation below that represents the line passing through the point (1, -4) with a slope of one half.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
a. y - 4 = one half(x - 1) b. y + 4 = 2(x - 1) c. y + 4 = one half(x - 1) d. y - 4 = 2(x + 1)
anonymous
  • anonymous
a or c rigjt?
anonymous
  • anonymous
Use the point slope formula do you know what it is and how to use it?

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anonymous
  • anonymous
y1-y2/x1-x2
anonymous
  • anonymous
That is the formula to find the slope of a line. Once you have the slope and a point you can use the point slope formula to find the rest of the equation. Those answers are all in point slope form. Give me a moment to work it out and ill get back too you
anonymous
  • anonymous
If you use the point slope m=y-y coordinate/x-x coordinate then you get 1/2=y-(-4)/x-1... Multiply both sides by (x-1) and you get 1/2(x-1)=y+4 or c make sense?
anonymous
  • anonymous
not really
anonymous
  • anonymous
confused lol
anonymous
  • anonymous
m stands in for the slope try to write it out and replace my / with fraction bars and it should be a little easier to understand
AbdullahM
  • AbdullahM
yes, you have correctly narrowed it down to a or c. They gave you a point \(\sf (1,-4)\), and that is in the form of \(\sf (x_1,y_1)\) So, plug in the values into: \(\sf y-y_1=m(x-x_1)\) where m is the slope
anonymous
  • anonymous
showing me up lol with all your fancy techniques
anonymous
  • anonymous
so y+4= 1/2(x - 1)
AbdullahM
  • AbdullahM
correct
AbdullahM
  • AbdullahM
This is not fancy, this is the easy way @3714
anonymous
  • anonymous
thanks again abdullah
AbdullahM
  • AbdullahM
np :)
anonymous
  • anonymous
lol I tired
AbdullahM
  • AbdullahM
but your way would lead to the correct answer too, so no worries xD

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