jacquelineaguilar04 jacquelineaguilar04
  • 05-04-2021
  • Mathematics
contestada

which equation has no real solutions?

2x²+2x+15=0

2x²+5x-3=0

x²+7x+2=0

x²-4x+2=0​

Respuesta :

fitzroywilliamsjr6
fitzroywilliamsjr6 fitzroywilliamsjr6
  • 05-04-2021

Answer:

A

Step-by-step explanation:

x=

−b±√b2−4ac

2a

x=

−(2)±√(2)2−4(2)(15)

2(2)

x=

−2±√−116

4

and there is really no solution

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