Graphing Quantitative Relationships

Over which interval of time is this person returning home?

• 8:00 < x < 9:00

• 9:00 < x < 9:30

• 9:30 < x < 11:00

• 12:00 < x < 13:00

Which of the following situations
corresponds to this graph? 

• A bicyclist accelerates from a stop, travels at a constant speed, then slows to a stop.

• A car accelerates from a stop,
  travels at a constant speed, slows,
  and then travels at a slower speed.

Which point is on the graph?

• (0,0)

• (-2, -2)

• (0, 2)

• (2, 0)

Which of the following situations
corresponds to this graph?

• A car, accelerates from a stop,travels at a constant speed, slows,
  and then travels at a slower speed.

• An airplane travels at a constant
  speed then decelerates to a slower speed.

• An athlete warms up by walking
  around the track, runs, then jogs.

• A bicyclist accelerates, travels at a
  constant speed, then slows to a
  stop.

The cost of five pounds of grapefruit is $6.00. The cost per pound of grapefruit remains the same regardless of the quantity purchased. Graph the relationship between y, the total cost of grapefruit purchased, and x, the weight in pounds of the grapefruit purchased.Plot two points on the coordinate grid.

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Graph

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• y = 2x + 5
• y = -2x - 5
• y = -2x + 5
• y = 5x - 2

Which graph best represents the relationship between x and y in the equation y = 3.5x?

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