Coordinate Geometry and Graph Interpretation
Quantitative Reasoning · Flashcards
QUANTITATIVE REASONING · FLASHCARDS
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QUESTION
Identify the axis of symmetry of the parabola
y
=
(
x
+
5
)
2
+
1
y=(x+5)^2+1
y
=
(
x
+
5
)
2
+
1
.
QUESTION
What is the slope formula for the line through points
(
x
1
,
y
1
)
(x_1,y_1)
(
x
1
,
y
1
)
and
(
x
2
,
y
2
)
(x_2,y_2)
(
x
2
,
y
2
)
?
QUESTION
What is the vertex of the parabola
y
=
(
x
−
2
)
2
−
9
y=(x-2)^2-9
y
=
(
x
−
2
)
2
−
9
?
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ANSWER
(
2
,
−
9
)
(2,-9)
(
2
,
−
9
)
. Vertex form
y
=
a
(
x
−
h
)
2
+
k
y=a(x-h)^2+k
y
=
a
(
x
−
h
)
2
+
k
identifies vertex at
(
h
,
k
)
=
(
2
,
−
9
)
(h,k)=(2,-9)
(
h
,
k
)
=
(
2
,
−
9
)
.
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