What I Know
Direction: Read each question carefully and write the letter of the correct
answers on separate sheet/s of p paper.
1. The fare Fof a passenger varies directly as the distance d of his destination. What
type of variation does this illustrate?
A. Direct Variation
C. Joint Variation
B. Inverse Variation
D. Combined Variation
2. The current I varies directly as the electromotive force E and inversely as the
resistance R. What type of variation does this illustrate?
A. Direct Variation
C. Joint Variation
B. Inverse Variation
D. Combined Variation
3. Which equation represents that m varies inversely as n?
A. m = kn
C. n = k/m
B. m= k/n
D. m = n/k
4. The distance from the center d of a seesaw varies inversely as the weight of the
child w. Bongbong, who weighs 100 lbs, sits 4 feet from the fulcrum. How far
from the fulcrum must Abet sit to balance with Bongbong if he weighs 80 lbs?
A. 4 ft
B. 5 ft
C. 6 ft
D. 7 feet
5. The area of a triangle varies jointly as the base and height. A triangle with a base
of 8 cm and a height of 9 cm has an area of 36 square centimeters. Find the
constant of variation.
A. 2
B. 1​