95.5k views
3 votes
If sqrt x=-7 then x=-49
true or false

User Jpiolho
by
6.9k points

1 Answer

3 votes

False.


IF √x = -7.


Square both sides


(√x)² = (-7)²


x = (-7)(-7)


x = 49


x will equal 49


False is your answer



hope this helps

User Barneytron
by
7.1k points
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