13
QuizMultiple Choice
Adding and Subtracting Expressions
Question 13 • SS-Math 7
Ella simplifies and says the result is b 5r. What error did Ella make?
Answer
A
Ella incorrectly combined the b coefficients. The correctly simplified expression is .
B
Ella incorrectly combined the b coefficients. The correctly simplified expression is .
C
Ella incorrectly combined the r coefficients. The correctly simplified expression is b – 5r.D
Ella incorrectly combined the r coefficients. The correctly simplified expression is b 3r.