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Question
Joaquin built a ramp for his little brother to use with with toy cars. The relationship between the length of the ramp, x
, and the height of the ramp, y
, are is shown in the graph.

Which statement correctly explains the meaning of the rate of change for this graph?

Responses
A The ramp has a 1-inch change in height for every 5-inch change in length. The ramp has a 1-inch change in height for every 5-inch change in length.
B The ramp has a 1-inch change in height for every 3-inch change in length. The ramp has a 1-inch change in height for every 3-inch change in length.
C The ramp has a 3-inch change in height for every 1-inch change in length. The ramp has a 3-inch change in height for every 1-inch change in length.
D The ramp has a 4-inch change in height for every 10-inch change in length.

Answer 1

C The ramp has a 3-inch change in height for every 1-inch change in length.