Question detail
method check: simplify 5m + 8m by collecting like terms.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Notation, vocabulary and manipulation
Question
- A. 13m
- B. 16
- C. 10
- D. 26
Answer
The correct answer is 13m.
Explanation
The distractors change the result or the form of the answer. The canonical solution reaches 13m, so 13m is the only option consistent with the working.
Common mistake
Identities and algebraic proof common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Use algebra to show that expressions are equivalent and to support or construct mathematical arguments..
Show the method first, then give the final answer in the required form. Apply this directly to Identities and algebraic proof.
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