An expression is a mathematical phrase. Expressions are different from equations because they do not have values on both sides of an equal sign. An expression contains a combination of terms and operations. They can be as simple as 4 + 10. That expression has two terms (4 and 10) and one operation (addition).
Which of these is a mathematical expression?
A
1 - 15
B
1 and 15
C
1 - 15 = -14
D
“Raining cats and dogs”