kayleyang1 kayleyang1
  • 29-04-2019
  • Mathematics
contestada

What quadratic has roots of x=8 and x= -5

Respuesta :

altavistard
altavistard altavistard
  • 05-05-2019

Answer:

The quadratic is f(x) = x² - 3x - 40

Step-by-step explanation:

If the roots are x=8 and x= -5, the factors are (x - 8) and (x + 5).

The quadratic is then:

f(x) = x² + 5x - 8x - 40, or x² - 3x - 40

The quadratic is f(x) = x² - 3x - 40

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