Online Quiz 1 (Direct and Indirect Variation)

If m varies directly as n, then  $m=kn$  .

• True

• False

If m varies directly as b, then  $m=\frac{n}{b}$  .

• True

• False

If m varies directly as the square root of n, then  $m=k\sqrt{n}$  .

• True

• False

If n varies inversely with m, then  $n=km$  .

• True

• False

If y varies inversely as x, then  $y=\frac{k}{x}$  .

• True

• False

In direct variation, as x increases so does the y.

• True

• Fase

In inverse variation, as y decreases, x increases.

• True

• False

If y varies directly as x, and y=8, when x=24, find y when x=6.

• 1

• 2

• 3

• 4

A worker's pay check P varies directly as the number of hours h worked. For working 24 hrs, the payment is Php 1200. Find the payment for 48 hrs of work.

• Php 50

• Php 1 360

• Php 1 750

• Php 2 400

The distance a body falls from rest is directly proportional to the square of the time it falls. If an object falls 40 m in 4 sec, how far will it fall in 6 sec?

• 45 m

• 50 m

• 90 m

• 120 m