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valeriearmstronh valeriearmstronh
  • 23-01-2017
  • Mathematics
Answered




  1. Aparticular real-life situation yielded the following system:

y = 4x + 3


y = -x - 2


Which of the following points is the solution to this system?

A( -1,1)

B(1, 7)

C(1, -3)

D(-1, -1)

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 23-01-2017

4x + 3 = - x - 2
4x + x = -2 - 3
5x = -5
x = -5/5
x = -1

y = 4x + 3
y = 4(-1) + 3
y = -4 + 3
y = -1

solution is (-1,-1)

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