Factor Quadratics to Find Zeros
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
What is the first step to factor
6
x
2
+
9
x
6x^2+9x
6
x
2
+
9
x
to reveal zeros?
QUESTION
What are the zeros of
f
(
x
)
=
x
2
−
16
f(x)=x^2-16
f
(
x
)
=
x
2
−
16
after factoring?
QUESTION
What are the zeros of
f
(
x
)
f(x)
f
(
x
)
if
f
(
x
)
=
(
x
−
1
)
(
x
−
9
)
f(x)=(x-1)(x-9)
f
(
x
)
=
(
x
−
1
)
(
x
−
9
)
?
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ANSWER
x
=
1
x=1
x
=
1
and
x
=
9
x=9
x
=
9
. Set each factor equal to zero:
(
x
−
1
)
=
0
(x-1)=0
(
x
−
1
)
=
0
and
(
x
−
9
)
=
0
(x-9)=0
(
x
−
9
)
=
0
.
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