SOLUTION: How many solutions are there to the equation x^2 - 15 = 0 ? F.0 G.1 H.2 J.4 K.15

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: How many solutions are there to the equation x^2 - 15 = 0 ? F.0 G.1 H.2 J.4 K.15       Log On


   

Question 325179: How many solutions are there to the equation x^2 - 15 = 0 ?
F.0
G.1
H.2
J.4
K.15
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let's solve this x^2 - 15 = 0 by adding 15 to both side ato get:
x^2 = 15
Now square root both sides:
x=+-Sq rt 15
There we go. 2 answers
sq rt 15 and
-sq rt 15
Make sense?
RJ
www.math-unlock.com