bewellplus.gsu.edu
Bruhx12
Bruhx12 Bruhx12
  • 21-10-2016
  • Mathematics
Answered

Which ordered pair is a solution of the system?

x + 4y = 19

y = -2x - 4

A(3,4)
B(7,3)
C(-5,6)
D(-2,0)

Verified Answer :

phicxs
phicxs phicxs
  • 21-10-2016

y = -2x - 4

x + 4y = 19
x + 4(-2x - 4) = 19
x + (-8x) - 16 = 19
-7x - 16 = 19
-7x = 35
-x = 5
x = -5

y = -2x - 4
y = -2(-5) - 4
y = 10 -4
y = 6

Solution set {-5, 6} (C)

Answer Link

Related Questions

characteristics of a unit rate
Who was Samuel Morse
Which of the following describes a way that a prior civilization influenced the Inca Empire A The Olmec developed a system of social classes B The Wari civiliza
in the reaction 2Na Cl2 gt 2 Na 2Cl what species is oxidized
which is the best way to answer this number sentence 6404
6xy6 what is m and b
budget Steve was offered 5025 per year for a weekend lifeguarding job at a local pool he wants to know how much his monthly income will be at this salary level
Which of the following elements has the GREATEST impact on the development of a storys plot setting characters rising action falling action
Please Answer which of the binomials below is a factor of this expression9x2 48xy 64y2A 3x 8yB 3x 8yC 3x 16yD 3x 16y
What is the volume of a cylinder with a radius of 15 inches and a height of 19 inches use 314 for pi round your answer to the nearest hundredth 285 cubic inches