Question1. Two students both solved the equation
incorrectly. The work of each student is shown.
Student A's Work:
Step 1:
Step 2:
Step 3:
Student B's Work:
Step 1:
Step 2:
Step 3:
In which step of their work did Student A and Student B make their first mistake?
A Student A made their first mistake in Step 1 and Student B made their first mistake in Step 1.
B Student A made their first mistake in Step 1 and Student B made their first mistake in Step 2.
C Student A made their first mistake in Step 2 and Student B made their first mistake in Step 1.
D Student A made their first mistake in Step 2 and Student B made their first mistake in Step 2
Studdy Solution
Analyze Student B's Step 2:
- From the correct Step 1: .
- Subtract 2 from both sides: .
Student B's Step 2: is incorrect because the subtraction was done incorrectly.
The correct answer choice is:
C Student A made their first mistake in Step 1 and Student B made their first mistake in Step 2.
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