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The total number of plants in a garden is modeled by f(x)=2x2−12x, where x represents the number of rows in the garden.

How many rows are in the garden if it has a total of 110 plants?

Respuesta :

Night02

Answer:

6 rows are in the garden if it has a total of 110 plants

Let's see

  • f(x)=110
  • 2x²-12x=110
  • 2x²-12x-110=0
  • 2(x+5)(x-11)=0
  • x=-5 or 11

Take it positive

  • rows=x=11

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