Comparing Functions Represented in Different Ways
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What property is compared by checking which function has the larger
y
y
y
-value at each
x
x
x
?
QUESTION
What is the vertex form of a quadratic function?
QUESTION
For
f
(
x
)
=
a
(
x
−
h
)
2
+
k
f(x)=a(x-h)^2+k
f
(
x
)
=
a
(
x
−
h
)
2
+
k
, when does the quadratic have a minimum value?
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ANSWER
When
a
>
0
a>0
a
>
0
, minimum value is
k
k
k
. When the parabola opens upward, the vertex gives the lowest point.
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