To classify each of the given items as an expression or an equation:
a. -3x^3 = 82 - This is an equation because it includes an equal sign (=) that indicates a relationship between two expressions.
b. 5x^2 - 8x + 2 - This is an expression because it does not include an equal sign.
c. 2x - 5 = 4 - This is an equation because it has an equal sign, showing that the left side is equal to the right side.
d. 21 ∙ -3^x - This is an expression because it does not contain an equal sign.
In summary:
- a: equation
- b: expression
- c: equation
- d: expression
1 answer