
Translating Combined Variation
Authored by Miriam Dullin
Mathematics
9th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
𝑦 varies directly as 𝑥 and inversely as 𝑧
y = (kx)/z
y = (kz)/x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
𝑎 varies jointly as 𝑏 and 𝑐 and inversely as 𝑑
𝑎 =(k * 𝑏 * 𝑐 )/ 𝑑
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electrical resistance R of a wire varies directly as its length l and inversely as the square of its diameter d.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The acceleration A of a moving object varies directly as the distance d it travels and inversely as the square of the time t it travels.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pressure P of a gas varies directly as its temperature t and inversely as its volume V.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 𝑦 varies directly as the square of 𝑥 and inversely as 𝑧 and 𝑦 = 15 when 𝑥 = 5 and 𝑧 =10, what is the constant (k) of variation?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 𝑦 varies directly as the square of 𝑥 and inversely as 𝑧 and 𝑦 = 15 when 𝑥 = 5 and 𝑧 =10, find 𝑦 when 𝑥 = −3 and 𝑧 =−6.
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