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
if you know the slope and the y intercept; you can plug in values for x to get the value for y
anonymous
  • anonymous
y = -5x - 8

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anonymous
  • anonymous
that's your slope intercept form; do you know the formula for point slope?
Fanduekisses
  • Fanduekisses
omg thanks, that was easy lol, >.<
anonymous
  • anonymous
You're welcome
Fanduekisses
  • Fanduekisses
Sometimes I get confused :p
Fanduekisses
  • Fanduekisses
oh no wait
anonymous
  • anonymous
Just to be clear, the equation I gave you isn't the final answer.
Fanduekisses
  • Fanduekisses
I am looking for the point slope
Fanduekisses
  • Fanduekisses
Yeah I just realized lol
Fanduekisses
  • Fanduekisses
sorry
Fanduekisses
  • Fanduekisses
I need to find the x intercept
Fanduekisses
  • Fanduekisses
right?
anonymous
  • anonymous
to find the x int you set y = 0
Fanduekisses
  • Fanduekisses
ok
anonymous
  • anonymous
But really you just need to rearrange to slope intercept form I gave you.
anonymous
  • anonymous
rearrange it to \[(y-y _{1}) = m(x-x_{1})\]
Fanduekisses
  • Fanduekisses
yes,but what do i put for x?
Fanduekisses
  • Fanduekisses
(y-(-8)=-5(x-?)
anonymous
  • anonymous
Try substitution values in the for x in the slope intercept form; then plug those values into the point slope form. m or in this case, -5, does not change
Fanduekisses
  • Fanduekisses
I'm confused.

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