Question

Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution.

Answer 1

@ganeshie8 help plz?

Answer 2

\(\large \sqrt{2x+1} = 3\)

Answer 3

Is the equation like above ?

Answer 4

yes (:

Answer 5

I got 4 as the answer idk if its right

Answer 6

then weesy :)

the moment u see a radical, squaring should strike in ur mind

Answer 7

also idk if its extraneous or not

Answer 8

4 is right !

Answer 9

yes ! Okay and it is extraneous ? I believe

Answer 10

to knw if its extraneous or not, do below :-
1) put x = 4 in original given equation
2) if it satisfies, then its NOT an extraneous solution

Answer 11

so its not

Answer 12

in this case

Answer 13

\[\sqrt[-4]{x-3}=12\] solve for x and identify if it is an extraneous solution.

thats another one I need help with

Answer 14

not sure how to approach this :|

Answer 15

so is it 4 extraneous or not?