BrainlyQUEENAYE BrainlyQUEENAYE
  • 07-11-2019
  • Mathematics
contestada

Solve the system of equations using substitution.

y = −2x + 1
4x + 2y = −3


A. Infinitely many solutions
B. No solution
C. (0, −5)
D. (−5, 0)

Respuesta :

carlosego
carlosego carlosego
  • 11-11-2019

For this case we have the following system of equations:

[tex]y = -2x + 1\\4x + 2y = -3[/tex]

To solve, we substitute the first equation in the second one:

[tex]4x + 2 (-2x + 1) = - 3\\4x-4x + 2 = -3\\2 = -3[/tex]

The equality is not fulfilled, therefore the system has no solution.

Answer:

Option B

The system has no solution

Answer Link

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