Function Rules From Data
ISEE Upper Level Mathematics Achievement · Flashcards · Application
ISEE UPPER LEVEL MATHEMATICS ACHIEVEMENT · FLASHCARDS
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QUESTION
Identify the rule from the table:
(
x
,
y
)
(x,y)
(
x
,
y
)
are
(
−
2
,
4
)
(-2,4)
(
−
2
,
4
)
,
(
−
1
,
1
)
(-1,1)
(
−
1
,
1
)
,
(
0
,
0
)
(0,0)
(
0
,
0
)
,
(
1
,
1
)
(1,1)
(
1
,
1
)
,
(
2
,
4
)
(2,4)
(
2
,
4
)
. What is
y
y
y
?
QUESTION
Identify the rule from the table:
(
x
,
y
)
(x,y)
(
x
,
y
)
are
(
0
,
5
)
(0,5)
(
0
,
5
)
,
(
1
,
2
)
(1,2)
(
1
,
2
)
,
(
2
,
−
1
)
(2,-1)
(
2
,
−
1
)
,
(
3
,
−
4
)
(3,-4)
(
3
,
−
4
)
. What is
y
y
y
?
QUESTION
Identify the rule from the table:
(
x
,
y
)
(x,y)
(
x
,
y
)
are
(
0
,
1
)
(0,1)
(
0
,
1
)
,
(
1
,
3
)
(1,3)
(
1
,
3
)
,
(
2
,
7
)
(2,7)
(
2
,
7
)
,
(
3
,
13
)
(3,13)
(
3
,
13
)
. What is
y
y
y
?
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ANSWER
y
=
x
2
+
x
+
1
y=x^2+x+1
y
=
x
2
+
x
+
1
. The table shows constant second differences of 2, indicating a quadratic with this form fitting all points.
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