Analyzing Speed and Distance Graphs

The video tutorial explains how to graph a family's journey from Los Angeles to San Francisco. Initially, the family travels at 60 MPH, and the graph is plotted with time on the x-axis and distance on the y-axis. In the last hour, the speed increases to 80 MPH, resulting in a steeper slope on the graph. The tutorial demonstrates how to set up the graph, plot the journey, and analyze the change in slope due to the speed increase.

What is the initial speed of the family as they travel from Los Angeles to San Francisco?

• 80 MPH

• 70 MPH

• 60 MPH

• 50 MPH

Which axis is used to represent time in the graph?

• X-axis

• None of the above

• Y-axis

• Z-axis

What is the distance covered after 2 hours at a constant speed of 60 MPH?

• 240 miles

• 120 miles

• 60 miles

• 180 miles

How does the graph appear when the speed is constant at 60 MPH?

• Straight line

• Curved line

• Dotted line

• Zigzag line

What is the new speed during the last hour of the journey?

• 60 MPH

• 70 MPH

• 80 MPH

• 90 MPH

How does the slope of the graph change during the last hour?

• It becomes steeper

• It remains the same

• It disappears

• It becomes flatter

What is the total distance covered by the end of the fourth hour?

• 180 miles

• 300 miles

• 260 miles

• 240 miles

What does a steeper slope on the graph indicate about the speed?

• The speed is decreasing

• The speed is constant

• The speed is increasing

• The speed is zero