Question

True or False

1.k= y/x, is an inverse variation.

2. ''x varies directly as x and inversely as y '' is equal to z = xk/y.

3.In variation, the variable ' k ' is called the constant of variation.

4. c = xyzk, is an example of inverse variation.

5.There is no direct variation whenever a situation produces pairs of numbers in which their ratio is constant.

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

7.The formula to find the value of '' d '' in the equation F = dk/c, is d = fk/c

8.In the equation x = yk/z , if z increases , x also increases

9. Jointly proportional also means varies jointly?

10.The time elapsed for a car to cover a distance and the speed of the car is an example of direct variation.

Answer 1

1) false.
2) true.
3) true.
4) false.
5) true.
6) false.
7) true.
8) true.
9)true.
10) false.
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