Polynomial Functions
ACT · Flashcards · Recall
ACT · FLASHCARDS
Card 1
of 39
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What happens at
x
=
r
x=r
x
=
r
when a zero has odd multiplicity?
QUESTION
What is the vertex
x
x
x
-coordinate of
f
(
x
)
=
a
x
2
+
b
x
+
c
f(x)=ax^2+bx+c
f
(
x
)
=
a
x
2
+
b
x
+
c
?
QUESTION
What is the end behavior of
f
(
x
)
=
a
n
x
n
+
⋯
f(x)=a_nx^n+\cdots
f
(
x
)
=
a
n
x
n
+
⋯
when
n
n
n
is even and
a
n
<
0
a_n<0
a
n
<
0
?
Tap to flip before you grade
ANSWER
As
x
→
±
∞
x\to\pm\infty
x
→
±
∞
,
f
(
x
)
→
−
∞
f(x)\to-\infty
f
(
x
)
→
−
∞
. Even degree with negative leading coefficient creates downward parabola-like behavior.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card