anonymous
  • anonymous
what is the slope intercept of the line passing thourgh(-5,-2) and to the line y=1/2x-2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Slope Intercept formula: y=mx+b
anonymous
  • anonymous
ik that obviously but idk to do with the points and the equation
anonymous
  • anonymous
Well if you obviously knew that then you would of known that the m is 1/2 and the b is -2. Then -5 is x and -2 is why. You have to put them in Slope intercept form.

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anonymous
  • anonymous
ok i got 8?
anonymous
  • anonymous
i think your question is missing a word
anonymous
  • anonymous
yea its parrel ot the line
anonymous
  • anonymous
Alright. you see the slope of y=1/2x-2 is 1/2, right?
anonymous
  • anonymous
wait? how is it 1/2?
anonymous
  • anonymous
Slope intercept form y=mx+b m is the slope
anonymous
  • anonymous
yes
anonymous
  • anonymous
First use Point-slope form:\[y - y _{1}= m ( x - x _{1})\] If its parallel, it has the same slope, so m will be 1/2 The points will be (-5,-2), where Y1= -2 and X1= -5 Just plug these in, and isolate the y term on the left side to get slope-intercept form.
anonymous
  • anonymous
o ok lol i did then but then i solved it. i wasn't supposed to solve it?
anonymous
  • anonymous
nevermind did the math wrong
anonymous
  • anonymous
Can you tell me what you get?
anonymous
  • anonymous
i got -2=1/2+-2
anonymous
  • anonymous
1/2x*
anonymous
  • anonymous
You need to keep the x and y in there, and twhen you plug in in, it should look like: \[y + 2 = 1/2 ( x +5)\]
anonymous
  • anonymous
isn't that point slope form?
anonymous
  • anonymous
Yes, but in order to get to slope int form, you need to start here, and then change to slope int form
anonymous
  • anonymous
Can you distribute the right side out?
anonymous
  • anonymous
yes 1/2x+2.5
anonymous
  • anonymous
Ok so now you have y + 2 = 1/2 x + 2.5 Now carry over the 2 to the right side
anonymous
  • anonymous
y=1/2x+1/2
anonymous
  • anonymous
Thats the equation in slope int form
anonymous
  • anonymous
o ok thank you that really helped for my geom. final
anonymous
  • anonymous
No problem

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