anonymous
  • anonymous
Write the equation of the line with a slope of -1/3 and passing through the point (6, -4).
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
y-y1=m(x-x1)
anonymous
  • anonymous
wait im confused to what that is?
anonymous
  • anonymous
m is the slope and x1,y1 the point u have

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anonymous
  • anonymous
im not exactly understanding..."/
anonymous
  • anonymous
what is the slope?
anonymous
  • anonymous
-1/3
anonymous
  • anonymous
ok plug that into y-y1=m(x-x1) now what is the x and y values?
anonymous
  • anonymous
0,3?
MathLegend
  • MathLegend
In that formula.. m = slope
MathLegend
  • MathLegend
@itsjustme_lol can you plug in everything into that formula now?
anonymous
  • anonymous
so m=-1/3
MathLegend
  • MathLegend
Right.... and you know what x1 and y1 are since they gave you the coordinates. So plug it in.... y-y1=m(x-x1)
anonymous
  • anonymous
y-4=m(x-6)?
MathLegend
  • MathLegend
y-(-4)=-1/3(x-6) y+4=-1/3(x-6) @itsjustme_lol do you understand that?
anonymous
  • anonymous
why did we put +4 in the second one?
MathLegend
  • MathLegend
y-(-4) = y+4
MathLegend
  • MathLegend
two negatives makes a positive
MathLegend
  • MathLegend
It is a negative being multiplied by a negative. That is something you should be familiar with.
MathLegend
  • MathLegend
y+4=-1/3(x-6) Can you simplify the right side of this equation?
anonymous
  • anonymous
give me a second
anonymous
  • anonymous
wait im still confused. im sorry!!!
MathLegend
  • MathLegend
It is fine.
MathLegend
  • MathLegend
What are you confused about?
anonymous
  • anonymous
i dont know how to solve that equation
MathLegend
  • MathLegend
y+4=-1/3(x-6) *We must first distribute that -1/3 on the right side of the equation. y+4=-1/3x+2 Now we need to make this equation into the slope-intercept form... so y=mx+b... so lets subtract the 4 from both sides. y+4=-1/3x+2 -4 -4 --------------------- y=-1/3x-2
MathLegend
  • MathLegend
@itsjustme_lol do you understand?
anonymous
  • anonymous
that makes sense now

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