Direct Variations

Front

A relationship between two quantities, x and y, where, as x increases y also increases or as y decreases, x also decreases and the ratio between them is constant or the same for all given values of the variables.

Back

Direct Variation

Front

Is there a direct variation whenever a situation produces pairs of numbers in which their ratio is constant?

Back

True

Front

Mathematical equation for 'h varies directly as j'. Options: k=hj, h=kj, h=k/j, k=h/j

Back

h=kj

Front

An employee's salary s varies directly as the number of days d he has worked. Which statement is correct? Options: k=sd, s=kd, k=s/d, s=k/d

Back

s=kd

Front

If x and y vary directly, as x increases the value of y increases as well.

Back

True

Front

y varies directly with x. If y=20 when x=4, what is y when x=-2?

Back

-10

Front

Does direct variation occur whenever a situation produces pairs of numbers whose product is constant?

Back

False

Front

A relationship between two quantities in which a change in one quantity produces a change in another quantity.

Back

Variation