Approximate Irrational Numbers
8th Grade Math · Flashcards
8TH GRADE MATH · FLASHCARDS
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QUESTION
Which decimal form indicates an irrational number: terminating, repeating, or nonterminating nonrepeating?
QUESTION
Estimate
s
q
r
t
3
sqrt{3}
s
q
r
t
3
to the nearest tenth by comparing
1.7
2
=
2.89
1.7^2=2.89
1.
7
2
=
2.89
and
1.8
2
=
3.24
1.8^2=3.24
1.
8
2
=
3.24
.
QUESTION
What inequality places
30
\sqrt{30}
30
between two consecutive integers?
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ANSWER
5
<
30
<
6
5<\sqrt{30}<6
5
<
30
<
6
. Since
5
2
=
25
<
30
<
36
=
6
2
5^2=25<30<36=6^2
5
2
=
25
<
30
<
36
=
6
2
.
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