Math

Quiz
•
Mathematics
•
9th Grade
•
Medium
Rolando Marquez
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An encoder can type n words in t hour. The formula that relates n to t is . What kind of variation is it?
Inverse
Direct
Joint
Combined
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is an example of a direct linear variation?
xy = 5
y = 3/x
y = 2x
3/y = x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Derive the equation for the variation using the table.
y = 3x
y = -3/x
y = -3x
xy = 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If p varies directly as q and inversely as r, then which of the following equations describes the relation among the variables?
p = kq/r
1/p = kr/q
p = kr/q
p = k/qr
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Translate into equation, “y is directly proportional to x and inversely proportional to z”. Use k as constant of proportionality.
y = kxz
y = kz/y
y = kx/z
y = x/ky
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to T when h is tripled in the equation T=k/h?
T is tripled
T is multiplied by 6
T is divided by 6
T is divided by 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. If p varies directly as q, and p = 25 when q = 20 find q when p = 140.
4/5
500
112
70
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