8. WI
b.
9. W
6. The proportion = x, y, illustrates
variation.
a. Direct
c. None of the above
b. b. Inverse
d. All of the above
7. If the air pressure (P) is inversely proportional to the
allitude (h), the equation must be willen as
Р P.
a. K
=k c.pkh d. k=ph
P
8. If a varies inversely as b, and C=12 when b= 4, find a
when bs-16.
1.48
b. 8
c. 21
d.-3
9. Which of the following illustrates inverse variation.
10.
b.
11
12
01.
b.
d.​