pre-algebra: direct variation
Authored by Angie Rivera
Mathematics
7th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In a direct variation, y=39 when x=3. Find the value of y when x=2.
26
3
58.5
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this a direct variation?
y=2x
yes
no
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Write an equation for this relationship.
y=4x
y=1/8x
y=1/4x
y=8x
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the given graphs is a direct variation?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Write an equation for this situation.
y=9.75x
y=19x
y=19.25x
y=9.5x
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the constant of proportionality?
8
16
24
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Does this equation show direct variation?
y + 3 = 14x
Yes
No
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