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WorksheetsDirect Variation quiz
Total questions: 31
Worksheet time: 53mins
Does the following graph represent a proportional relationship? (Make sure to read the reason to pick the best answer.)
Yes. It is a straight line.
No. Even though it is a straight line, it does not go through the origin.
Yes, it has a negative slope.
No, It goes through the origin and is a straight line.
Does the following graph represent a direct variation? (Read each reason carefully. Pick the best answer.)
No, it is a straight line, but does not go through the origin.
No, it goes through the origin, but is not a straight line.
Yes, it's y-intercept is 3.
Yes, the line is straight, and it goes through the origin.
Name the constant of proportionality (k) for the equation.
y = 5x
1/5
5
.5
-5
Find the slope of the line.
-2
2
-1
1
Find the slope of the line.
1/4
-1/4
4
-4
1. State what type of variation the equation represents.
Direct Square Variation
Direct Variation
Inverse Variation
Joint Variation
2. Find the missing value of a direct variation table.
1
2
4
8
3. If m varies directly as p, and m = 35 when p = 5, find m when p is 6.
42
7
5
30
4. The graph of a direct variation is always parallel to the x axis
TRUE
FALSE
If the constant of variation (direct) is equal to 5 and the value of x is 10. Find the value of y.
2
50
1/2
25
7. What letter is used to represent the "constant" in an equation of variation?
c
k
x
y
If x is directly proportional to y, and x = 32 when y = 16, what is x when y = 9?
18
2
2/9
4
Find the value of y when x = 2.
y = 2x
Find the value of y when x = 2.
