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SAT Math 8- Direct and Inverse Variation Flashcards | StudBud
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SAT Math 8- Direct and Inverse Variation
SAT Math 8- Direct and Inverse Variation
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A quiz #directvariation #itslit #inversevariation
Flashcards
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Questions
10
Answers
1
Which is Inverse variation
y=kx
y=k/x
2
Which type of variation is y = 2/x
Direct
Inverse
3
Which is direct variation
y=8/x
y=9/7k
y=4x
y=8/3k
4
Which is y=kx
Direct
Inverse
5
if x varies directly as y , and x = 4 , when y = 18 , find y when x= 5
20.25
22.5
2
14.4
6
If
y
varies directly as
x
and given
y
= 9 when
x
= 5, find the value of
y
when
x
= 15
15
30
27
69
7
y varies directly as x, and y = 20 when x = 4. Find y when x = 9.
60
90
45
5
8
If x varies directly as y, and x = 21 when y = 3 find y when x =2
50
16
14
9
9
If r varies inversely as the cube of s, and r = 17 when s = 3, find r when s = 2.
450/10
60
700/45
459/8
10
In a formula,
Z
varies inversely as
p
. If
Z
is 200 when
p
= 4, find
Z
when
p
= 10.
800
40
45
80
