anonymous
  • anonymous
write an equation in the form y =mx+b for the line that passes through (1,-10) and has a slope of 3
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
ok so m= slope so first plug in 3 for m
anonymous
  • anonymous
whats your new formula
anonymous
  • anonymous
what do i have to subtract to get my formula

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anonymous
  • anonymous
nothing
anonymous
  • anonymous
just substitute 3 for m which is the slope
anonymous
  • anonymous
(3,y1
anonymous
  • anonymous
having hard time need to know more
anonymous
  • anonymous
y =mx+b is your formula just put 3 where m is to get y=3x+b get it?
anonymous
  • anonymous
ok get it
anonymous
  • anonymous
now, take your point (x,y) which is (1,-10) and plug it in that formula that i just gave you
anonymous
  • anonymous
10=3(1)+b
anonymous
  • anonymous
solve for b
anonymous
  • anonymous
3x1=3
anonymous
  • anonymous
not quite, subtract 3 from ten, remember? to solve a variable isolate it by putting it on one side of equation with everything else on the other
anonymous
  • anonymous
-7
anonymous
  • anonymous
yes thats b, no use m and b in the original formula y=mx+b
anonymous
  • anonymous
*now, not no sorry
anonymous
  • anonymous
thank u
anonymous
  • anonymous
my pleasure
anonymous
  • anonymous
it said im wrong
anonymous
  • anonymous
what did you put in
anonymous
  • anonymous
y=3x+-7
anonymous
  • anonymous
sorry, its y=3x+7 10-3=7 i didn't notice the neg sign
anonymous
  • anonymous
i guess subtract 3 from ten confused you.... that means take 3 away from ten not ten from 3
anonymous
  • anonymous
so sorry
anonymous
  • anonymous
its ok you help i appreate it

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