a.
Which of the following types of variation illustrates an area of triangle A = 2 BH?
Combined
b. direct
c. inverse
d. joint
10. The formula z = kx / y illustrates which type of variations?
Direct
b. combined
c. inverse
d. joint
11. Which of the following equation illustrates the cost (C) per person of renting a private resort
that varies inversely as the number (n) of persons sharing the rent?
a. C = k/n
b. n = k/c
C. C = kn
d. n = kc
12. Which of the following equation illustrates the distance (D) travelled by a car that is varies
directly as its speed (s)?
D=k/s
b. D = ks
C. S = KD
d. s = k/D
13. The weight (W) of an object is directly proportional to its mass (m). Which of the following
equations illustrates the statement?
c. W = k/m
b. W = km
d. k = mM
a.
14. The volume of a cylinder V varies jointly as its height h and the square of the radius r. Which
of the following equations illustrates the statement?
h2
d. V = khr
a.
m = kW​