Question

Which of these statements about algebra are true

Answer 1

Incorrect statements :

1) Algebra uses abstract symbols to represent concrete elements in the real world.

2) In an algebraic equation, the same variable can represent two different unknowns.

4) An algebraic expression contains an equal sign, but an algebraic equation does not.

Correct statements:

3) Many great mathematicians are also philosophers.

5) The same variable can represent two different unknown in two different algebraic expression.