Mathematics, 09.12.2021 01:00, Shadow0202
Jessica solved the radical equation square root of quantity a plus 4 end quantity equals 7 period Her math work is shown in the table.
Step Justification
square root of quantity a plus 4 end quantity equals 7 Given
Step 1 square root of quantity a plus 4 end quantity all squared equals 7 squared Square both sides
Step 2 a + 4 = 14 Simplify
Step 3 a + 4 − 4 = 14 − 4 Subtract 4 from both sides
Step 4 a = 10 Simplify
Step 5 square root of quantity 10 plus 4 end quantity does not equal 7 Check for extraneous solutions
In which step did Jessica make her first error?
Group of answer choices
Step 1
Step 2
Step 3
Step 5
Answers: 2
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