Question

Solve using the square root method. Round to the nearest tenth if necessary.
x^2 + 15 =0
A. {3.9}
B. {3.9, -3.9}
C. {7.5, -7.5}
D. no real solution

Answer 1

x^2=-15
the square root of a negative number has no real solutions

Answer 2

D

Answer 3

x^2 + 15 =0
x^2 = -15
no real solution

Answer 4

part in circle means you do not have a real solution.