Determine 3885
Determine the sum of the square roots of 81.
Correct answer:
x =
0
Step-by-step explanation:
x
1
=
8
1
=
9
x
2
=
−
x
1
=
−
9
x
=
x
1
+
x
2
=
9
+
(
−
9
)
=
0
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Determine the sum of the square roots of 81.
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You need to know the following knowledge to solve this word math problem:
arithmetic
square root
Grade of the word problem:
practice for 12 year olds
practice for 13 year olds
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