Factor Quadratics to Find Zeros
Algebra · Flashcards · Recall
ALGEBRA · 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 property connects factors to zeros in
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
f(x)=a(x-r_1)(x-r_2)
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
?
QUESTION
What is the first step to factor
6
x
2
+
9
x
6x^2+9x
6
x
2
+
9
x
to reveal zeros?
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ANSWER
Factor out the GCF:
3
x
(
2
x
+
3
)
3x(2x+3)
3
x
(
2
x
+
3
)
. Factor out the greatest common factor before finding zeros.
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