Mathematics
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OpenStudy (anonymous):
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OpenStudy (anonymous):
My points are (0,5) (2,3)
3.Take the points you have selected and write the equation of the line using the slope-intercept formula. Show the work
OpenStudy (anonymous):
y = 5 - x
OpenStudy (anonymous):
thats all?
OpenStudy (anonymous):
Can you show work also?
OpenStudy (anonymous):
y = 5 - x
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OpenStudy (anonymous):
Show the work please
OpenStudy (anonymous):
sry for the mulit replies internet sucks gimmie a sec and ill solve it
OpenStudy (anonymous):
okay :)
OpenStudy (anonymous):
hello?
OpenStudy (anonymous):
to find slope intercept you need to:
1) find the slope of a line and 2) find the y-intercept of a line.
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OpenStudy (anonymous):
slope was -1
OpenStudy (anonymous):
find slope by doing y2-y1/x2-x1
OpenStudy (anonymous):
got it
OpenStudy (anonymous):
if its -1 then find y intercept by substituting either set of points in formula y=-1x+b
OpenStudy (anonymous):
y as y, x as x
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OpenStudy (anonymous):
so how would i do it? which point do i use for x and y
OpenStudy (anonymous):
since i have to points
OpenStudy (anonymous):
two
OpenStudy (anonymous):
(0,5). y=mx+b or 5=-1 × 0+b, or solving for b: b=5-(-1)(0). b=5.
(2,3). y=mx+b or 3=-1 × 2+b, or solving for b: b=3-(-1)(2). b=5.
OpenStudy (anonymous):
so thats the answer?
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OpenStudy (anonymous):
no know you know what b and m are so plug it into the original formula y=mx+b
OpenStudy (anonymous):
what number do i use for x?
OpenStudy (anonymous):
no number just plug in m and b, y and x stays as is
OpenStudy (anonymous):
oh i see, thanks for clarifying
OpenStudy (anonymous):
so y= -3x +5
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OpenStudy (anonymous):
not -3, what did we say slope was?
OpenStudy (anonymous):
-3 i thought
OpenStudy (anonymous):
-1 sorry
OpenStudy (anonymous):
:) no prob
OpenStudy (anonymous):
final answer?
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OpenStudy (anonymous):
y= -1x +5 or y=-x+5
OpenStudy (anonymous):
they're the same thing
OpenStudy (anonymous):
Thank you very much!
OpenStudy (anonymous):
my pleasure