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5 votes
√50 - √18 =
a. √32
b. 4√2
c. 2√2
d. 2

User Harukaze
by
8.8k points

1 Answer

2 votes

Answer:

c

Explanation:

using the rule of radicals


√(ab) =
√(a) ×
√(b)

given


√(50) -
√(18)

simplify the 2 radicals using the rule


√(50)

=
√(25(2))

=
√(25) ×
√(2)

= 5
√(2)

and


√(18)

=
√(9(2))

=
√(9) ×
√(2)

= 3
√(2)

then


√(50) -
√(18)

= 5
√(2) - 3
√(2)

2
√(2)

User Rodgobbi
by
8.7k points