amanirdz amanirdz
  • 09-01-2017
  • Mathematics
contestada

What is the solution to the following system of equations?
y = x2 + 10x + 11
y = x2 + x − 7

(−2, −5)
(2, −5)
(−2, 5)
(2, 5)

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 03-01-2018
(-2,-5)
because
y= y
x^2+10x+ 11 = x^2+x -7
10x-x = -7-11
9x=-18
x=-2

so y = (-2)^2+(-2)-7 = 4-2-7 =-5
Answer Link
oliverjune101
oliverjune101 oliverjune101
  • 19-02-2021

Answer:

[tex](-2,-5)[/tex]

Answer Link

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