WorksheetsVARIATION
Total questions: 10
Worksheet time: 3mins
A type of variation that involves 3 or more quantities that may vary directly.
Direct Variation
Inverse Variation
Joint Variation
Combined Variation
This type of variation states that the two quantities increase at the same time or decrease at the same time.
Direct Variation
Inverse Variation
Joint Variation
Combined Variation
The cost c varies directly as the number of n pencils is written as
c = kn
k = cn
n = k/c
c = k/n
The speed r of a moving object is inversely proportional to the time t travelled is written as
r = kt
r = k/t
t = kr
t = r/k
Which of the following types of variation states that the decrease of one quantity results to the increase of the other quantity?
Direct Variation
Inverse Variaton
Joint Variation
Combined Variation
If y varies directly as x and y = 24, when x = 3, then what is the value of k?
4
6
8
72
Which of the following phrases illustrate an inverse variation?
The area of the wall to the amount of paint used to cover it
The amount of money raised in a concert to the number of tickets sold
The time a teacher spends in checking papers to the number of students
The age of a used car to its resale value
If s varies directly as t and inversely as v, then which of the following equations describes the relation among the three variables s, t, and v?
s = k / tv
s = kv / t
1/s = kt/ v
s = kt / v
Which of the following is the graph of a direct square variation?
Straight Line
Quadratic Curve
Broken Line
Hyperbola
This is a variation where one quantity varies directly to other quantity and inversely to the other quantity.
Direct Variation
Inverse Variation
Joint Variaiton
Combined Variation
