Unit 4 Review

True or false:

Does the graph accurately represent the price (y) in dollars per candy bar (x)

True or false:

The graph represents a proportional relationship

Staying with candy bars, y = 2x, where y = total cost and x = number of candy bars.

What would y = if you purchased 50 candy bars?

What is the slope of the line with the following points? (2, 6) (4, 12)?
*simplify

What is the slope of the line with the following points (0, 8) (2, 7)?

*simplify

Lucy and Dave run every Sunday. The equation d = 5h represents Lucy's running rate, where d is her distance run in miles and h is the number of hours spent running.

What is Lucy's rate of change?

Lucy and Dave run every Sunday. The equation d = 5h represents Lucy's running rate, where d is her distance run in miles and h is the number of hours spent running.

What would be the value of d is Lucy ran for 3 hours?

y = mx

For a total price (y) of $50 you can buy 1000 nails (x) from Home Depot.

For a total price (y) of $8 you can buy 200 nails (x) from Lowes.

What is the value of m for Home Depot?

y = mx

For a total price (y) of $50 you can buy 1000 nails (x) from Home Depot.

For a total price (y) of $8 you can buy 200 nails (x) from Lowes.

What is the value of m for Lowes

y = mx

For a total price (y) of $50 you can buy 1000 nails (x) from Home Depot.

For a total price (y) of $8 you can buy 200 nails (x) from Lowes.

Which company sells more expensive nails?