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Math Problems
Algebra 2
Classify rational and irrational numbers
Is the number
−
1
+
−
2
-1 + -2
−
1
+
−
2
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
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Is the number
−
9
+
10
-9 + 10
−
9
+
10
rational or irrational?
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Is the number
−
3
+
6
-3 + 6
−
3
+
6
rational or irrational?
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Is the number
−
5
+
8
-5 + 8
−
5
+
8
rational or irrational?
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Is the number
5
+
−
7
5 + -7
5
+
−
7
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
−
9
+
1
-9 + 1
−
9
+
1
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
8
+
9
8 + 9
8
+
9
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
1
+
−
4
1 + -4
1
+
−
4
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
−
3
+
−
4
-3 + -4
−
3
+
−
4
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
3
+
−
8
3 + -8
3
+
−
8
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
9
+
1
9 + 1
9
+
1
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
3
+
−
7
3 + -7
3
+
−
7
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
1
+
−
6
1 + -6
1
+
−
6
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
The number
r
r
r
is irrational. Which statement about
7
+
r
7 + r
7
+
r
is true?
\newline
Choices:
\newline
(A)
7
+
r
7 + r
7
+
r
is rational.
\newline
(B)
7
+
r
7 + r
7
+
r
is irrational.
\newline
(C)
7
+
r
7 + r
7
+
r
can be rational or irrational, depending on the value of
r
r
r
.
Get tutor help
The number
t
t
t
is irrational. Which statement about
t
+
27
t + \sqrt{27}
t
+
27
is true?
\newline
Choices:
\newline
(A)
t
+
27
t + \sqrt{27}
t
+
27
is rational.
\newline
(B)
t
+
27
t + \sqrt{27}
t
+
27
is irrational.
\newline
(C)
t
+
27
t + \sqrt{27}
t
+
27
can be rational or irrational, depending on the value of
t
t
t
.
Get tutor help
Is the number
7
+
(
−
3
)
7 + (-3)
7
+
(
−
3
)
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
6
+
5
6 + 5
6
+
5
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is the number
−
1
+
−
6
-1 + -6
−
1
+
−
6
rational or irrational?
\newline
Choices:
\newline
(A) rational
\newline
(B) irrational
Get tutor help
Is
−
59
3
+
4
63
-\frac{59}{3}+\frac{4}{63}
−
3
59
+
63
4
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is the following number rational or irrational?
\newline
6
1
2
6\frac{1}{2}
6
2
1
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Let
a
a
a
and
b
b
b
be rational numbers. Is
a
+
b
a+b
a
+
b
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
and
b
b
b
be rational numbers. Is
a
−
b
a-b
a
−
b
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
and
b
b
b
be rational numbers. Is
a
×
b
a \times b
a
×
b
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a non-zero rational number. Is
−
24
+
a
-\sqrt{24} + a
−
24
+
a
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
23
+
77
\sqrt{23} + \sqrt{77}
23
+
77
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
12
⋅
3
\sqrt{12} \cdot \sqrt{3}
12
⋅
3
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a rational number and
b
b
b
be an irrational number. Is
a
+
b
a+b
a
+
b
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be an irrational number. Is
a
×
25
a \times 25
a
×
25
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
40
5
\frac{\sqrt{40}}{\sqrt{5}}
5
40
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
20
5
\frac{\sqrt{20}}{\sqrt{5}}
5
20
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
−
59
3
+
4
63
-\frac{59}{3}+\frac{4}{63}
−
3
59
+
63
4
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
2
⋅
3
\sqrt{2}\cdot\sqrt{3}
2
⋅
3
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
36
25
11
\frac{36}{25}\sqrt{11}
25
36
11
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a non-zero rational number. Is
40
a
\frac{\sqrt{40}}{a}
a
40
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be an irrational number. Is
−
24
+
a
-24+a
−
24
+
a
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a rational number and
b
b
b
be an irrational number. Is
a
−
b
a-b
a
−
b
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be an irrational number. Is
64
a
\frac{64}{a}
a
64
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
12
+
4
\sqrt{12}+4
12
+
4
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a non-zero rational number. Is
1
a
\frac{1}{a}
a
1
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a non-zero rational number and
b
b
b
be an irrational number. Is
a
×
b
a \times b
a
×
b
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is
8
+
(
−
8
)
\sqrt{8} + (-\sqrt{8})
8
+
(
−
8
)
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be an irrational number. Is
1
a
\frac{1}{a}
a
1
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Let
a
a
a
be a non-zero rational number. Is
a
8
a\sqrt{8}
a
8
rational or irrational?
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
\newline
(C) It can be either rational or irrational
Get tutor help
Is the following number rational or irrational?
\newline
−
3
+
π
-3+\pi
−
3
+
π
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Is the following number rational or irrational?
\newline
−
0.
32
‾
-0.\overline{32}
−
0.
32
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Is the following number rational or irrational?
\newline
121
\sqrt{121}
121
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Is the following number rational or irrational?
\newline
0.5555
0.5555
0.5555
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Is the following number rational or irrational?
\newline
7.11
7.11
7.11
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Is the following number rational or irrational?
\newline
0.3
0.9
\frac{0.3}{0.9}
0.9
0.3
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
Is the following number rational or irrational?
\newline
−
11
π
-11\pi
−
11
π
\newline
Choose
1
1
1
answer:
\newline
(A) Rational
\newline
(B) Irrational
Get tutor help
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