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Stinky11
Stinky11 Stinky11
  • 13-02-2017
  • Mathematics
Answered

Write the equation of the line passing through the given points. Write the equation in standard form Ax+By=c. (-2,5)and(-4,9)

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 13-02-2017

(-2,5)(-4,9)
slope = (9 - 5) / (-4 - (-2) = 4 / (-4 + 2) = 4/-2 = - 2

y = mx + b
slope(m) = -2
use either of ur points (-2,5)...x = -2 and y = 5
now sub and find b, the y int
5 = -2(-2) + b
5 = 4 + b
5 - 4 = b
1 = b

so ur equation is : y = -2x + 1...but we need it in standard form...

y = -2x + 1.....add 2x to both sides
2x + y = 1 <== standard form

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