Rational Functions: Another Vary Exciting True or False
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1.
If
y
varies directly with
x
, then if
x
decreases,
y
does what?->Remains constant
True
False
2.
If
a
varies inversely with
b
, then if
b
decreases,
a
does what?->Becomes zero
True
False
3.
If
f
varies directly with
g
, what happens to
f
when
g
doubles?->Doubles
True
False
4.
If
y
varies directly with
x
, and
y
= 10 when
x
= 2, find
k.
->5
True
False
5.
If
y
varies inversely with
x
, and
y
= 20 when
x
= 4, find
k
.->5
True
False
6.
Given
a
= 3
bc
, what's the value of
a
when
b
= 5 and
c
= 10?->50
True
False
7.
Which equation represents inverse variation?->
f
= 10
g
True
False
8.
Given
with
c
= 100 when
d
= 25, find
k
.->2500
True
False
9.
Given
z
=
kxy
with
z
= 900 when
x
= 30 and
y
= 3, find
k.
->10
True
False
10.
The equation
f
= 2
gh
is what type of variation?->Joint
True
False
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