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Find x such that

\(\lfloor x \rfloor \cdot x = 70\)

express x as a decimal.

cormier123 Jun 19, 2018

#1**+1 **

HEY CORMIER(123)! i'll be glad to answer. assuming that those weird bracket thingy mean absolulet valuve, you can assume that x has to be positive. then, that means (x)^2=70, which acordding to my caculator, its bout 8.36. HOPE THIS HELPED!

LUNAMORT Jun 19, 2018

#2**+1 **

PS, tell me if im wrong, and if it's AoPS, paste answer herre. -LUNAMORT 4 LIFE or *Purely Slytherin*

LUNAMORT Jun 19, 2018

#3**+1 **

Hi, \(\lfloor x \rfloor\) that doesn't represent aboslute value, it denotes the greatest integer that is less than or equal to x, otherwise called the "Greatest integer function."

cormier123
Jun 19, 2018