wdhernandez216 wdhernandez216
  • 06-08-2021
  • Mathematics
contestada

How many x intercepts does the graph of y=2x^2+4x-2have

Respuesta :

etelkatothfarkas
etelkatothfarkas etelkatothfarkas
  • 06-08-2021

Answer:

2

Step-by-step explanation:

x intercepts are at y=0

therefore

0= 2x^2+4x-2

Simplify by 2

0=x^2+2x-1

the determinant

D= 2^2 - 4 (1)(-2) = 4 + 8 = 12 > 0

therefore the graph has two intercepts

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