thedaxtonh thedaxtonh

11-11-2019
Mathematics

contestada

Find the root(s) of the equation x2 = 225?
A) x = 15
B) x = ±15
C) x = √15
D) x = ±√15

Respuesta :

marcthemathtutor marcthemathtutor

11-11-2019

Answer:

B) x = ±15

Step-by-step explanation:

x² = 225

x = ±√225

x = ±15 (answer B)

Answer Link

ujalakhan18 ujalakhan18

11-11-2019

Answer:

B

Step-by-step explanation:

x^2=225

Taking sq root on both sides

√x^2=√225

x=±15

Answer Link

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