RTT Lesson 20 Describing Intervals

Which graph shows a an "increasing" slope?

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An "interval" represents a section of the ____-axis.

• x

• y

From 5 mins to 10 mins, Marie is...

• traveling away from home

• traveling back towards home

From 10 to 25 mins, Marie is...

• traveling away from home

• traveling back towards home

Which graph shows a slope of zero?

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Which graph shows a an "undefined" slope?

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How long did it take Sam to get to school?

• 5 minutes
• 20 minutes
• 1.25 km
• 1.25 minutes

What label is along the y-axis in this graph?

• Copyright 2007

• Lines

• Age in Years

• Number of Teens

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

Interval 2 is...

• Increasing, linear

• Increasing, nonlinear

• Decreasing, linear

• Decreasing, nonlinear