Worksheets9.3 Assignment
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Which of the given graphs is a direct variation?
a)
A
b)
B
c)
C
d)
D
2.
Is this a direct variation?
a)
yes
b)
no
3.
Is this a direct variation?
a)
yes
b)
no
4.
Select all of the additional points that are also elements of this direct variation.
a)
(0,0)
b)
(4,5)
c)
(6,6)
d)
(5,4)
e)
(-3,-1)
5.
Select all of the additional points that are also elements of this direct variation.
a)
(0,0)
b)
(2,-1)
c)
(1,-1)
d)
(4,-2)
e)
(2,-2)
6.
What is the formula for direct variation?
(a)
7.
Which equation is a direct variation?
a)
A = 500 + B
b)
A = 500B
c)
500 = A + B
d)
500 = AB
8.
Which equation is a direct variation?
a)
xy=−50
b)
yx=−50
c)
xy=−50
d)
y+x=−50
9.
Which equations represent a direct variation? Check all that apply.
a)
y=4x
b)
xy=7
c)
xy=5
d)
y=3x+1
10.
Direct variation is X over Y.
a)
True
b)
False, because its Y over X.
100 %
