VARIATION-BUAR

Which is an example of a direct variation?

A car travels a distance of (d) km in (t) hours.The formula that relates (d) to (t) is d=kt.What kind of variation is it?

What happens to (t) when (h) is doubled in the equation t=4h?

If (y) varies directly as (x) and y=12 when x=4,find y when x =12.

Y varies directly as x and y=32 when x=4,find the constant of variation.

If (y) varies inversely as (x) and y=1/3 when x=8,find y when x= 4.

If (y) varies inversely as (x) and y= 1/5 when x=9,find y when x=-3.

Mackee's income varies directly as the number of days that she works.If she earn 8,000 in 20 days,how much will she earn if she worked 3 times as long?

If (x-4) varies inversely as (y+3) and x=8 when y= 2,find x when y=-1.

It is a variation whenever a situation produces pairs of numbers in which their ratio is constant.

It is a variation occurs whenever a situation produces pairs of numbers whose product is constant.

This kind of variation involves both the direct and inverse.

This kind of variation is joining or involving more than two variables or quantities.

It has 4 kind ,direct,inverse,combined,and joint.

Differentiate the four types of variation.