Identifying Independent and Dependent Quantities from Tables and Graphs(TEKS.Math.6.6.A)
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Texas 6th Grade Math › Identifying Independent and Dependent Quantities from Tables and Graphs(TEKS.Math.6.6.A)
Table: Hours worked and total pay Hours worked: 1 | 2 | 3 | 4 Total pay ($): 12 | 24 | 36 | 48
Which quantity is independent?
Total pay
Hours worked
Both are independent
Neither is independent
Explanation
Hours worked can be chosen freely, and the total pay changes in response. Therefore, hours worked is the independent quantity and total pay is the dependent quantity.
Table: Number of pizzas ordered and total cost Pizzas ordered: 0 | 1 | 2 | 3 | 4 Total cost ($): 0 | 10 | 20 | 30 | 40
Which quantity is dependent?
Number of pizzas ordered
Price per pizza
Both are dependent
Total cost
Explanation
The total cost responds to the number of pizzas ordered, so it depends on the input. The number of pizzas is the independent quantity; total cost is the dependent quantity.