mwalsh mwalsh
  • 07-01-2018
  • Mathematics
contestada

Evaluate each expression if x = −2, y = −3, and z = 5.
2x + 3y + z
x − y
2
3x2 − 2x + 1
3y(x + x2 − y)

Respuesta :

rameshani1204
rameshani1204 rameshani1204
  • 07-01-2018
basically what you have to do is substitute the variables for the values

-4+-9+5= -8
-2-3= -5
2= 2 
6-4+1= 3
-9(-2+-4--3)= 27

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