7.11A- LINEAR RELATIONSHIPS

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours. What is the constant of proportionality?

In the equation y = 14x, what is the constant of proportionality?

Identify the Slope from the given equation.

y = 5x - 2

Find the rate of change

Identify the Y- intercept from the given equation.

y = -2x - 6

Frank and his family drove 6 hours every day during a road trip. Which graph best represents y, the total number of hours driver in x days?

A scooter can travel 100 miles in 4 hours. Which graph best represents y, the number of miles the scooter can travel in x hours at this rate?

What is the constant of proportionality?

A dolphin travels through the water of a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate? (7.4A)

A blue wildebeest travels at a speed of 42 kilometers per hour. Which representation shows the distance a wildebeest can travel at this rate?

The graph represents the linear relationship between the number of books Layla has read and the number of months she has been a member of a book club. (7.4A)

Which equation best represents the relationship between x and y in the graph? (7.7A)

The table shows the relationship between y, the cost to rent a boat, and x, the amount of time the boat is rented. Which graph best represents the relationship between x and y shown in the table? (7.7A)

A fish is swimming at a constant rate toward the ocean floor. The equation y = -7x -3 can be used to represent this situation, where y is the depth of the fish in meters below sea level and x is the number of seconds the fish has been swimming.

Which statement best describes the depth of this fish, given this equation? (7.7A)

Cheddar cheese costs $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese?

Which table contains only values that satisfy the equation

y = 0.5x + 14?