Question

Tiya earns $7 an hour mowing her neighbor's lawn.

Part A: Create two variables and determine which is dependent and which is independent for this situation. (4 points)

Part B: List three ordered pairs to show the values of the two variables. (3 points)

Part C: Write an equation to represent the relationship between the two variables. (3 points)

Answer 1

Given  :  Tiya earns $7 an hour mowing her neighbor's lawn.

To Find :  Create two variables and determine which is dependent and which is independent for this situation.

Solution:

Dependent Variable - Depends upon other factors

Independent Variable - Does not depends upon other factors

Number of hrs worked  =  x  hrs

Earned  = y  $

x  is independent variable

y is dependent variable

y = 7x      is    an equation to represent the relationship between the two variables

x            y

0           0

1             7

2            14

3             21

Ordered pair (x , y)    ( hours , Earning )

Few examples:

( 0 , 0) , ( 1 , 7) , ( 2 , 14) , ( 3 , 21)

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