Concept explainers
Find whether the student is correct or not .
Answer to Problem 21MCQ
Incorrect
Explanation of Solution
Given :
In the process of solving an equation , a student noticed that the variable was eliminated.The student concluded that the equation must be an identity.
Calculation:
The student is not necessarily correct.
Consider two equations:
The equation (1) is identity and has infinitely many solutions.
The equation (2) is not identity and has no solution.
So, the student is incorrect.
Chapter 2 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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