Question

Which of the following are mathematical sentences? Check all that apply.

A.4 - d = 8 B.4 - v C.3 + 2 = 5 D.6 E.1 < 2 F.5g

Answer 1

A, C, E

any mathematical expression that then includes an equal sign becomes a sentence or equation

Answer 2

Answer: A. 4 - d = 8

C. 3 + 2 = 5

E. 1 < 2 

Explanation:

• A mathematical sentence makes by combining two expressions with a comparison operator (+,-,×,÷) to create a fact that it may be either true or false.

A. 4 - d = 8

It is a mathematical statement which says that the difference between 4 and d is 8.

B. 4 - v

It is not a mathematical statement because it is neither true nor false. It is just a variable expression.

C. 3 + 2 = 5 

It is a mathematical statement which is true.

D. 6 

It is not a mathematical statement because it is neither true nor false.

E. 1 < 2 

It is not a mathematical statement which is false. It is just a numerical expression.

F. 5g

It is not a mathematical statement because it is neither true nor false.It is just a variable expression.