Match the graphs to their equations
-
a
b
c
(
x
−
1
)
2
9
−
(
y
−
1
)
2
1
=
1
\displaystyle \frac{{\left({x}-{1}\right)}^{{2}}}{{9}}-\frac{{\left({y}-{1}\right)}^{{2}}}{{1}}={1}
9
(
x
−
1
)
2
−
1
(
y
−
1
)
2
=
1
-
a
b
c
(
y
−
1
)
2
9
−
(
x
−
1
)
2
1
=
1
\displaystyle \frac{{\left({y}-{1}\right)}^{{2}}}{{9}}-\frac{{\left({x}-{1}\right)}^{{2}}}{{1}}={1}
9
(
y
−
1
)
2
−
1
(
x
−
1
)
2
=
1
-
a
b
c
(
y
+
1
)
2
9
=
(
x
−
1
)
2
1
+
1
\displaystyle \frac{{\left({y}+{1}\right)}^{{2}}}{{9}}=\frac{{\left({x}-{1}\right)}^{{2}}}{{1}}+{1}
9
(
y
+
1
)
2
=
1
(
x
−
1
)
2
+
1
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