anonymous
  • anonymous
What is the equation of the lne that passes through points (5,4) and (-2,0)?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
rise/run
anonymous
  • anonymous
first find slope
anonymous
  • anonymous
then use y=mx+b

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anonymous
  • anonymous
subsitute slope
anonymous
  • anonymous
and then find y intercept
mathstudent55
  • mathstudent55
Call point (5, 4) = (x1, y1), and call point (-2, 0) = (x2, y2) Slope = m = (y2 - y1)/(x2 - x1) The equation of the line is: y - y1 = m(x - x1)
anonymous
  • anonymous
he has point slope form
anonymous
  • anonymous
both can be used though
anonymous
  • anonymous
ok. thank u. :)
anonymous
  • anonymous
can u check if im doing it right because i feel like i messed up somewhere?
mathstudent55
  • mathstudent55
Sure. Show what you did.
anonymous
  • anonymous
i found the slope using m= Y2-Y1/X2-X1. i got 4/7
mathstudent55
  • mathstudent55
Correct, m = 4/7
anonymous
  • anonymous
then i plugged it in y=mx+b. so now i have y=4/7x+b.
anonymous
  • anonymous
i plugged in point (5,4) sonow i have 4=4/7x5+b
anonymous
  • anonymous
then i got 4=20/7+b.thats were im not sure if im right.
mathstudent55
  • mathstudent55
|dw:1359950617065:dw| Correct
anonymous
  • anonymous
so if i keep solving it the equation would be y=4/7x+1 1/7
mathstudent55
  • mathstudent55
|dw:1359950765775:dw|
mathstudent55
  • mathstudent55
|dw:1359950864531:dw|
anonymous
  • anonymous
i got 8/7 to but turned it into 1 and 1/7
mathstudent55
  • mathstudent55
You can leave it as 8/7. Your solution is also correct, but it's not usually left with a mixed numeral.
anonymous
  • anonymous
ok. thank u

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