
Direct, Joint, Inverse and Combined Variation
Mathematics
8th - 10th Grade
CCSS covered
Used 569+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose y varies directly as x, and y=39 when x=3. Find the value of y when x=2.
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.REI.B.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose y varies jointly as x & z.
If y = -180 when z = 15
and x = -3,
then find y when x = 7 and z = -5.
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.REI.B.3
CCSS.HSA.SSE.A.1
CCSS.HSA.REI.A.1
CCSS.HSA.CED.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose y varies inversely with x.
If y = 150 when x = 2, find y when x = 25.
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
CCSS.HSA.CED.A.4
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose p varies directly as r, and p varies inversely as t.
t = 20 when p = 4 and r = 2.
Find t when r = 10 and p = -5.
Tags
CCSS.HSA.CED.A.1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose y varies directly as x.
If y = 22.5 when x = 15, find y when x = 20.
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.REI.B.3
CCSS.HSA.SSE.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a varies jointly as b & c.
If a = 15 when b = 4
and c = 5,
then find b when a = 60 and c = 5.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose j varies inversely with m.
If j = 60 when m = 0.3 , find j when m = -2
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