Solving Nonlinear Functions
PSAT · Flashcards · Application
PSAT · FLASHCARDS
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QUESTION
What is the solution set of
x
−
1
=
3
\sqrt{x-1}=3
x
−
1
=
3
?
QUESTION
Identify the solutions of
x
4
−
16
=
0
x^4-16=0
x
4
−
16
=
0
.
QUESTION
Solve for
x
x
x
:
(
x
−
4
)
(
x
+
1
)
=
0
(x-4)(x+1)=0
(
x
−
4
)
(
x
+
1
)
=
0
.
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ANSWER
x
=
4
x=4
x
=
4
or
x
=
−
1
x=-1
x
=
−
1
. Set each factor to zero:
x
−
4
=
0
x-4=0
x
−
4
=
0
or
x
+
1
=
0
x+1=0
x
+
1
=
0
.
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