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nth Roots
By Helen Toribio Nuñez
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Last updated about 5 years ago
10 questions
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Question 1
1.
If
n
is even, and
a
is positive, we can conclude that:
a
has two real roots
a
has one real root
the root is 0
a
has no real roots
Question 2
2.
If
n
is even, and
a
is negative, we can conclude that:
a
has one real root
a
has no real roots
the root is 0
a
has two real roots
Question 3
3.
If
n
is odd, and
a
is negative, we can conclude that:
the root is 0
a
has two real roots
a
has one real root
a
has no real roots
Question 4
4.
If
n
is odd, and
a
is positive, we can conclude that:
a
has two real roots
a
has no real roots
the root is 0
a
has one real root
Question 5
5.
Find the root(s) if
n=3
, and
a= - 27
:
-3
3
3 and -3
no real roots
Question 6
6.
A rational exponent can be expressed as a root
True
False
Question 7
7.
Given
n=4
and
a= -16
, the root(s) are:
-2
No real roots
2
2 and -2
Question 8
8.
Given
n=5
and
a= 32
, the root(s) are:
2
No real roots
-2
2 and -2
Question 9
9.
In the expression
n represents the:
none of the options
radical
index
exponent
Question 10
10.
In an expression with a rational exponent, the denominator of the exponent represents the:
power
nothing
index