Question

Given the equation square root of quantity 2x minus 1 end quantity equals 7, solve for x and identify if it is an extraneous solution.
one half; solution is extraneous
one half; solution is not extraneous
25; solution is extraneous
25; solution is not extraneous

Answer 1

Answer:

x=25  solution is not extraneous

Step-by-step explanation:

given, $\sqrt{2x-1}$=7

squaring both side we get,

2x-1=7^2

2x-1=49

2x=50

x=25  solution is not extraneous  answer