Using the equation shown, which is the best estimate of x?

x2 = 315


a)between 17 and 18

b)between 53 and 54

c)between 78 and 79

d)between 157 and 158

Respuesta :

Answer:

a)

Step-by-step explanation:

[tex]\sqrt{315}[/tex]  is approximately 17.8

17² = 289

18² = 324

315 is between 289 and 324