Build a Variable Expression for the Given Phrase $x - 2$

question 297

Multiple Choice

Build a variable expression for the given phrase.
-A number decreased by two

• A) \(x - 2\)
• B) \(2 - x\)
• C) \(\frac { x } { 2 }\)
• D) \(x + 2\)

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Definitions:

Insulin Syringe

A syringe designed specifically for injecting insulin, often marked with fine units of measurement for precise doses.

Tuberculin Syringe

A syringe designed for administering tuberculosis tests, such as the Mantoux test, often marked in tenths and hundredths of a milliliter for precise doses.

mL

A milliliter, a unit of volume in the metric system equal to one thousandth of a liter.

Insulin Syringe

A syringe specifically designed for injecting insulin, typically marked with units of insulin rather than milliliters.