Direct and Inverse Proportions

Front

As the number of workers increase, the job will take less time to complete is ---------

Back

inversely proportional

Front

If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day is

Back

1/n

Front

Is this a direct proportion? y=2x

Back

Yes

Front

t is inversely proportional to v. t=2 when v=6. Find the equation for t and v.

Back

t = 12/v

Front

The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Back

$308

Front

Definition of Direct Proportion

Back

A relationship where an increase in one quantity results in a proportional increase in another quantity.

Front

Definition of Inverse Proportion

Back

A relationship where an increase in one quantity results in a proportional decrease in another quantity.

Front

Example of Direct Proportion

Back

If 3 apples cost $6, then 6 apples cost $12.

Front

Example of Inverse Proportion

Back

If speed increases, time taken decreases for a fixed distance.

Front

Formula for Direct Proportion

Back

y = kx, where k is a constant.