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Mathematics
Problem
Arrange the parabolas
y
2
=
2
x
y^{2}=2x
y
2
=
2
x
,
y
2
=
6
x
y^{2}=6x
y
2
=
6
x
and
y
2
=
8
x
y^{2}=8x
y
2
=
8
x
in order of increasing width (narrowest to widest). a)
y
2
=
8
x
y^{2}=8x
y
2
=
8
x
,
y
2
=
6
x
y^{2}=6x
y
2
=
6
x
,
y
2
=
2
x
y^{2}=2x
y
2
=
2
x
b)
y
2
=
2
x
y^{2}=2x
y
2
=
2
x
,
y
2
=
6
x
y^{2}=6x
y
2
=
6
x
,
y
2
=
8
x
y^{2}=8x
y
2
=
8
x
c)
y
2
=
6
x
y^{2}=6x
y
2
=
6
x
,
y
2
=
2
x
y^{2}=2x
y
2
=
2
x
,
y
2
=
8
x
y^{2}=8x
y
2
=
8
x
d)
y
2
=
2
x
y^{2}=2x
y
2
=
2
x
,
y
2
=
8
x
y^{2}=8x
y
2
=
8
x
,
y
2
=
6
x
y^{2}=6x
y
2
=
6
x
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