Question

Select all the numbers that are solutions to the equation x² = 15. A. 225 B. √225 C. 7.5 D. √15 E. -√15​

Answer 1

D and E

Explanation:

x² = 15 ( take square root of both sides )

x = ±
`√(15)`

that is

x =
`√(15)` , x = -
`√(15)`