College Algebra Quiz
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FOUNDATIONS & ALGEBRAIC SKILLS
Question 1
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Solve for
x
x
x
and check for extraneous solutions:
x
+
5
=
2.
\sqrt{x+5}=2.
x
+
5
=
2.
A
x
=
−
1
x=-1
x
=
−
1
, verified by substitution
B
x
=
1
x=1
x
=
1
, verified by substitution
C
x
=
9
x=9
x
=
9
, verified by substitution
D
x
=
−
9
x=-9
x
=
−
9
, verified by substitution
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