Question

Which of the following is not an expression?

OA. 4x+7
OB. +1 = 4
OC. 3-2x
O D. -1

Answer 1

b or d

Explanation:

an expression is a minimum of two values and any math equation other than an = sign. If there is a = sign it becomes a equation, not an expression. B and D therefor do not fit the requirements

Answer 2

B because an expression doesn’t have an equal sign