Final answer:
Dallas, Texas is not the hottest largest city in America. The title for the hottest city in America is often given to Phoenix, Arizona.
Step-by-step explanation:
No, Dallas, Texas is not the hottest largest city in America. The largest city in Texas is Houston, which is the 4th largest city in the US. While Houston is known for its hot and humid climate, it is not considered the hottest city in America. Instead, the title for the hottest city in America is often given to Phoenix, Arizona, which experiences extremely high temperatures during the summer months.