Fanduekisses
  • Fanduekisses
How do I find the point slope when I only have a slope and a y-intercept?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Fanduekisses
  • Fanduekisses
for ex: slope= -5, y-intercept=-8
anonymous
  • anonymous
\(y\) intercept \(-8\) means the point is \((0,-8)\)
anonymous
  • anonymous
you don't need the "point - slope" formula if you know the slope is \(m\) and the \(y\) intercept is \(b\) the equation for the line is \(y=mx+b\)

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Fanduekisses
  • Fanduekisses
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Fanduekisses
  • Fanduekisses
So the x intercept is 0
anonymous
  • anonymous
no
anonymous
  • anonymous
the \(x\) intercept is where the line crosses the \(x\) axis
anonymous
  • anonymous
but if i know the slope is \(2\) and the \(y\) intercept is \(5\) then i know the equation is \[y=2x+5\]
Fanduekisses
  • Fanduekisses
I mean if I wear to set up the point slope, it's be: (y-(-8)=-5(x-0) ?
Fanduekisses
  • Fanduekisses
it'd*
anonymous
  • anonymous
you could, but you wouldn't
anonymous
  • anonymous
you would go right to \(y=-5x-8\)
Fanduekisses
  • Fanduekisses
Oh ok, but they are asking me for a point slope
anonymous
  • anonymous
k, then you would write what you write, or \(y+8=-5x\)
Fanduekisses
  • Fanduekisses
oh ok
Fanduekisses
  • Fanduekisses
Thank you :D

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