Rate of Change from Graph Table and Given Two Points

The rate of change for the table is _____ miles per hour.

Which equation best represents the line on the graph?

• y= 1/2x

• y= -1/2x

• y = 2x

• y = -2x

In slope intercept form (y=mx+b) what is the "m"?

• The y-intercept

• The x-intercept

• The slope (rate of change)

• A point

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

Given the table, write the equation in the slope-intercept form.

• y = 1/3x + 6

• y = 3x + 6

• y = 2x + 6

• y = 1/2x + 6

(-1, -3)         m = 5

• y = 5x+2

• y = -5x+2

• y = 5x-3

• y = -5x-1

Fred the Sloth is very slow. The graph shows how far Fred moves in a given time.

What is the rate of change in the graph?

• 3 ft/min.

• 6 ft./min.

• 2 ft./min.

• -4 ft./min.

Does this table represent a linear relationship?

• yes

• no

What is the rate of change for the following graph?

• 80 mph

• 20 mph

• 40 mph

• 160 mph

Does this table represent a proportional relationship?

• Yes

• No