Question

A bookstore is selling books for $10 each. Which graph shows the relationship between the number of books, x, the store sold and the total amount of money, y, paid from the book sales?





(1 point)
Responses

A
A

B
B

C
C

D
D
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Answer 1

The relationship is y = 10x — a straight line through the origin with slope 10. So pick the graph that:

- goes through (0,0), (1,10), (2,20), (3,30), …
- is much steeper than y = x (rise of 10 for each run of 1).

I can pick the letter if you upload or describe the four graphs; otherwise choose the one matching the properties above.