Radicals & Absolute Values
PSAT Math · Flashcards
PSAT MATH · FLASHCARDS
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QUESTION
What is the value of
(
−
5
)
2
\sqrt{(-5)^2}
(
−
5
)
2
?
QUESTION
What is the quotient rule for radicals when
a
≥
0
a\ge 0
a
≥
0
and
b
>
0
b>0
b
>
0
?
QUESTION
What is the solution set of
∣
x
−
2
∣
<
3
|x-2|<3
∣
x
−
2∣
<
3
written as a compound inequality?
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ANSWER
−
1
<
x
<
5
-1<x<5
−
1
<
x
<
5
.
−
3
<
x
−
2
<
3
-3 < x-2 < 3
−
3
<
x
−
2
<
3
adds 2 to all parts:
−
1
<
x
<
5
-1 < x < 5
−
1
<
x
<
5
.
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