# upsidedown question mark

what does an upsidedown question mark mean in algebra

### Comments for upsidedown question mark

 Jun 18, 2011 Upside-down Question Mark by: Staff The question: what does an upside-down question mark mean in algebra The answer: I am not aware that the upside-down question mark ¿ is used for any type of algebraic symbol. It is used in Spanish to ask a question. Thanks for writing. Staff www.solving-math-problems.com

 Oct 10, 2014 My Practice PSAT uses a upside down question in problems NEW by: Anonymous This is a question from my practice PSAT Let x ¿ y be defined as x^2 + y/2 for all x and y. If 3 ¿ 4 = 5 ¿ n, what is the value of n? I have NO clue what the heck this means.

 Dec 31, 2014 upside down question mark NEW by: Anonymous Question from SSAT. For all real numbers d and y, d upside down QM y = (dXy) - (d+y). (2 upside down QM 4) X (3 upside down QM 6) = Answer: (9 upside down QM 3) + 3 I was able to figure out the others but I don't know how they got the answer for this one. If you could let me know, that would be great.

 Feb 07, 2017 Upside down question mark in calculus NEW by: Anonymous What does an upside down question mark mean in calculus? It is used in MIT OCW calculus.

 May 14, 2017 upside down question mark serves no purpose NEW by: Anonymous How this got introduced in Calculus is not surprising. It is a sectet code that is not being taught properly.

 Dec 08, 2017 Upside down question mark in math NEW by: billy bob joe An upside down question mark sometimes means the greater than sign but this only apples for some math teachers.