What is the solution to the inequality x2 + 2x ≤ 24?

Macarthy asked Sep 26, 2023

384,740 views

40 votes

Macarthy asked Sep 26, 2023

2.1k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

13 votes

Answer:

-6 ≤ x ≤ ∨ x = 4

Explanation:

x^2 + 2·x ≤ 24

x^2 + 2·x - 24 ≤ 0

-1 - √(1 + 24) ≤ x ≤ -1 + √(1 + 24)

-1 - 5 ≤ x ≤ -1 + 5

-6 ≤ x ≤ ∨ x = 4

Zivka answered Oct 3, 2023

by Zivka

3.0k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers