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outtatime1221
outtatime1221 outtatime1221
  • 24-01-2017
  • Mathematics
Answered

write the equation of a line that passes through points 1, 1 and -2, 10

Verified Answer :

Anonymous Anonymous
  • 24-01-2017

slope = (10 - 1)/(-2-1) = 9/-3 = -3

pass thru (1,1)
y = mx + b
1 = -3(1) + b 
1 + 3 = b
so b = 4

equation: y = -3x + 4

Answer Link
alahewett
alahewett alahewett
  • 24-01-2017

y= -3+4
 
  
slope= -3
y int= 4

Answer Link

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