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

25; solution is not extraneous

Explanation:

did the test and got it right

Answer 2

x=25 solution is not extraneous

Explanation:

given,
`√(2x-1)`=7

squaring both side we get,

2x-1=7^2

2x-1=49

2x=50

x=25 solution is not extraneous answer