nahshehehejejaiaikaj nahshehehejejaiaikaj
  • 11-10-2020
  • Mathematics
contestada

What are the solutions for x when y is equal to 0 in the quadratic function
y = x2 +9x?

What are the solutions for x when y is equal to 0 in the quadratic function y x2 9x class=

Respuesta :

Hrishii
Hrishii Hrishii
  • 11-10-2020

Answer:

C) x = 0 or x = - 9

Step-by-step explanation:

[tex]y = {x}^{2} + 9x \\ \\ plug \: y = 0 \\ 0 = {x}^{2} + 9x \\ \\ x(x + 9) = 0 \\ \\ x = 0 \: \: or \: \: x + 9 = 0 \\ \\ x = 0 \: \: or \: \: x = - 9 [/tex]

Answer Link
gufeliz1965
gufeliz1965 gufeliz1965
  • 11-10-2020

See picture for math work and answer.

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