Proportional Relationships, Lines, and Linear Equations

Draw

Priya jogs at a constant speed. The relationship between her distance and time is shown on the graph. Diego bikes at a constant speed twice as fast as Priya. Sketch a graph showing the relationship between Diego’s distance and time.

Draw

A blueberry farm offers 6 pounds of blueberries for $15.00. Sketch a graph of the relationship between cost in dollars and pounds of blueberries.

Multiple Choice

The equation $$y=5,280x$$ gives the number of feet, $$y$$ , in $$x$$ miles. What does the number 5,280 represent in this relationship?

• 5,280 miles in one foot.
• 5,280 inches in one mile.
• 5,280 yards in one mile.
• 5,280 feet in one mile.

Draw

Lin’s mom bikes at a constant speed of 12 miles per hour. Lin walks at a constant speed $$\frac13$$ of the speed her mom bikes. Sketch a graph of both of these relationships.