Tables, Graphs, and Equations — Quiz

Question 8 • Mathematics 8

An animal shelter estimates that it costs about 6 dollars per day to care for each dog. If y represents the total cost of caring for a single dog for x days, which table models the situation?

Answer

Table with 2 columns and 4 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '12'; Column 2, '6' Row 3: Column 1, '15'; Column 2, '9' Row 4: Column 1, '18'; Column 2, '12'

Table with 2 columns and 4 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '6'; Column 2, '36' Row 3: Column 1, '9'; Column 2, '54' Row 4: Column 1, '12'; Column 2, '72'

Table with 2 columns and 4 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '6'; Column 2, '12' Row 3: Column 1, '9'; Column 2, '15' Row 4: Column 1, '12'; Column 2, '18'

Table with 2 columns and 4 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '36'; Column 2, '6' Row 3: Column 1, '54'; Column 2, '9' Row 4: Column 1, '72'; Column 2, '12'

Explanation

At $6 per day, the total cost is y = 6x, where x is the number of days. For 6 days, the cost is $36; for 9 days, it is $54; and for 12 days, it is $72. These values match choice B.

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