nahshehehejejaiaikaj nahshehehejejaiaikaj
  • 11-10-2020
  • Mathematics
contestada

PLEASE HELP QUICK What are the solutions for x when y is equal to 0 in the quadratic function
y= x2 + x - 72?

Respuesta :

11qq11
11qq11 11qq11
  • 11-10-2020

x = -9 and x = 8 when y = 0 is the answer

Answer Link
elizabethchilds elizabethchilds
  • 11-10-2020

Answer: x= -9,8

Step-by-step explanation:

x=?

y=0

y=x^2+x-72

0=x^2+x-72

0=(x+9)(x-8)

x+9=0            x-8=0

-9   -9            +8     +8

x= -9                 x=8

Answer Link

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