Register
Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution. ^ I really don't understand this topic, whatsoever. Could someone help?
154k views
0 votes
Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution.

^ I really don't understand this topic, whatsoever. Could someone help?

User Brampage
by
9.0k points

1 Answer

3 votes
The answer is 4.

Square root of 2x plus 1 = 3:

√(2x+1) =3

Square both sides:

( √(2x+1) )^(2) =3^(2) \\ \\ 2x+1=9 \\ 2x = 9 - 1 \\ 2x =8 \\ x = 8:2 \\ x =4

User Matan Sanbira
by
8.2k points
← Prev Question Next Question →

Related questions

User Userxxx
asked Jul 28, 2024 173k views
Please solve :( i can’t figure it out whatsoever
Userxxx asked Jul 28, 2024
by Userxxx
8.5k points
1 answer
2 votes
173k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!