Mathematics, 28.11.2021 23:00 thao5160
Jessica solved the radical equation Va-9 = 4. Her math work is shown in the table.
Step
Justification
Va-9=4
Given
Step 1 (Va-9)2 = (4)2
Square both sides
Step 2 a -9 = 16
Simplify
Step 3 a - 9 + 9 = 16 + 9 Add 9 to both sides
Step 4 a = 25
Simplify
Step 5 25 -974
Check for extraneous solutions
In which step did Jessica make her first error? (1 point)
Step 2
Step 3
O Step 4
Answers: 1
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Jessica solved the radical equation Va-9 = 4. Her math work is shown in the table.
Step
Just...
Just...
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