Solving Rational and Radical Equations
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
Solve
x
+
4
=
x
\sqrt{x+4} = x
x
+
4
=
x
over the real numbers.
QUESTION
What restriction must be placed on
x
x
x
for
1
x
−
3
\frac{1}{x-3}
x
−
3
1
to be defined?
QUESTION
Solve
x
−
1
=
5
\sqrt{x-1} = \sqrt{5}
x
−
1
=
5
.
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ANSWER
x
=
6
x = 6
x
=
6
. Square both sides:
x
−
1
=
5
x - 1 = 5
x
−
1
=
5
.
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