Question

A student is attempting to evaluate the literal equation below. Which statement best applies to the sample mathematical work shown? A.The student's substitution in step 1 is invalid or incorrect. B.The simplification performed in step 2 is invalid or incorrect. C.Raising 4 to the second power in step 3 before multiplying it by 3 is an invalid or incorrect. D.The mathematical work is correct as written.

Answer 1

its "B" i got 100 on the quiz

Answer 2

Firstly you forgot to attach the mathematical work along with your question. I am answering the question based on my research and knowledge and hope that it helps you. "The simplification performed in step 2 is invalid or incorrect" is the statement that best applies to the sample mathematical work. The correct option among all the options given in the question is option "B".