anonymous
  • anonymous
What is the equation of the line that passes through the points (-2, 1) and (1, 10)? 3x - y = -7 3x - y = -5 3x - y = 5 x + 3y = -5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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zzr0ck3r
  • zzr0ck3r
what is the slope?
zzr0ck3r
  • zzr0ck3r
(10-1)/(2-(-1))
zzr0ck3r
  • zzr0ck3r
@shutupron ?

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More answers

anonymous
  • anonymous
9 and 1
anonymous
  • anonymous
there isnt a slope?
zzr0ck3r
  • zzr0ck3r
slope = (10-1)/(2-(-1)) = ?
anonymous
  • anonymous
-7
anonymous
  • anonymous
?
zzr0ck3r
  • zzr0ck3r
what is 10-1?
anonymous
  • anonymous
9
zzr0ck3r
  • zzr0ck3r
what is 2-(-1)?
anonymous
  • anonymous
3
zzr0ck3r
  • zzr0ck3r
what is 9/3?
anonymous
  • anonymous
3
zzr0ck3r
  • zzr0ck3r
ok slope = 3
zzr0ck3r
  • zzr0ck3r
so y=mx+b = 3x+b now we need to find b use the point (1,10) x=1 y = 10 10=3(1)+b what is b?
anonymous
  • anonymous
3
zzr0ck3r
  • zzr0ck3r
10=3+b what is b?
zzr0ck3r
  • zzr0ck3r
you might need to back track and learn some basics.
zzr0ck3r
  • zzr0ck3r
10=3+b
zzr0ck3r
  • zzr0ck3r
what is b?
zzr0ck3r
  • zzr0ck3r
if you have 3 apples and I give you some more apples and you now have 10 apples, how many apples did I give you? @shutupron
anonymous
  • anonymous
7
zzr0ck3r
  • zzr0ck3r
yes, so your equation is y=3x+7
anonymous
  • anonymous
so a?
anonymous
  • anonymous
3x-y=5
anonymous
  • anonymous
I said it was A because thats the closest one to your answer !
anonymous
  • anonymous
it says -7 not 7
zzr0ck3r
  • zzr0ck3r
sorry -7 lol yes a
anonymous
  • anonymous
thank you hahah

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