When I try to use my password, it always say incorrect when trying to delete my account. I do not understand why I'm being prevented from deleting my

It looks like you use google signon when you signed up for Jotform. If you want to create a password for your account, you can reset your Jotform account password.

Here's the guide: https://www.jotform.com/help/489-how-to-reset-jotform-account-password

Give it a try and let us know how it goes.