2/20/2014 PA 7 Do Now - Slope and Direct Variation
Authored by Thomas Kale
Mathematics
7th Grade
CCSS covered
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation that represents direct variation?
k = y/x
x = k/y
y = kx
none of the answer
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does k represent in the equation y = kx.
the x-axis
the y-axis
the constant of proportionality
none of the answers
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Given x= -3 and y= 5; write a direct variation equation
y= -5/3 x
y= 5/3x
y= 3/5x
y= -3/5x
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Given x= -10 and y= -8; write a direct variation equation
y= 5/4x
y=-4/5x
y= 4/5x
y=-5/4x
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Given x= -1/2 and y= 7/3; write a direct variation equation
y=-3/14x
y= 3/14x
y=14/3x
y= -14/3x
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Is the given table a direct variation? If so, what is the constant?
Yes; 1/4
Yes; 4
Yes; 2
No
7.
MULTIPLE CHOICE QUESTION
5 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
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