# Does the plus-minus sign go before or after the number?

## Does the plus-minus sign go before or after the number?

Solving this, we get that x = –2. That is, while we place the “±” sign on the side with the number, the “plus-minus” actually (technically) comes from the side with the variable, because the square root of the squared variable returns the absolute value of that variable.

## How do you do the plus or minus sign?

Microsoft Word offers a pre-defined shortcut key for some symbols such as plus-minus sign and minus-plus sign:

1. Type 00b1 or 00B1 (does not matter, uppercase or lowercase) and immediately press Alt+X to insert the plus-minus symbol: ±
2. Type 2213 and press Alt+X to insert the minus-plus symbol: ∓

What does the +- symbol mean in math?

: the sign ± used to indicate a quantity (such as 2 in “the square root of 4 is ±2”) taking on both an algebraically positive value and its negative and to indicate a plus or minus quantity (such as 4 in “the population age was 30 ± 4 years”) — called also plus/minus symbol.

### What does a minus sign before a number mean?

countable noun. A minus sign is the sign – which is put between two numbers in order to show that the second number is being subtracted from the first one. It is also put before a number to show that the number is less than zero.