Direct, Inverse, Combined, Joint Variation

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
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.
26
3
58.5
2
2.
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.
1.5
337.5
30
16.875
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose f varies directly as g, and f varies inversely as h.
f = -12 when h = 4 and g = -3.
Find g when f = 28 and h = 8.
14
-14
16
-16
4.
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.
-140
140
-4
4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The image is an example of the graph of a(n)
direct variation
inverse variation
neither
both
Tags
CCSS.HSF-IF.C.7A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Y varies inversely with x, and y is 0.5 when x is 4. Which equation represents this situation?
y=2x
y=2/x
y=4x
y=x/2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If x and y are in an inverse variation then which of the following is correct?
x - y = constant
x + y = constant
xy = constant
x⁄y is constant
Tags
CCSS.HSF-LE.A.1B
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