How do you solve #k^2 = 10.24#?

2 Answers
Mar 9, 2018

Answer:

Follow explanation. Your solution: #k=+-3.2#

Explanation:

Your equation can be arranged

#k^2 = 10.24#

#sqrt(k^2) = +-sqrt (10.24)#

#k=+-3.2#

Because of the fact that #sqrt(k^2) = +-(k^2)^0.5 = +-k#

There are two possible roots.

Mar 9, 2018

Answer:

#k=+-3.2#

Explanation:

Square root both sides of the equation

#sqrt(k^2= +-sqrt(10.24)#
#k=+-3.2#

There are two possible roots.

Check solution

#+3.2^2=10.24#
#(-3.2)^2=10.24#

#10.24=10.24#