Rate of Change and Linear Equations

What is the slope of the line passing through the points (3,5) and (-1,7)?

• -1/2

• -1

• -2

• 1/2

What is the equation for the line that passes through the points (4,2) and (0,6)?

• y = x + 6

• y = -2x + 2

• y = -x - 6

• y = -x + 6

Give the equation for the graph

• y = 5x - 3

• y = 4x + 2

• y =-2x + 5

• y = - 2x + 4

What is the equation of the line that has a slope of 5 and goes through the point (2,7)?

• y = 5x + 3

• y = 1/5x - 3

• y = 1/5x + 3

• y = 5x - 3

What is the equation of the line in the graph?

• y = 3

• x = 3

• x = 0

Graph. y = 2/3x - 3

• a

• b

• c

• d

Write the equation for the line in slope-intercept form.

• y= -1x+3

• y= 4x+3

• y=1/4x+3

• y= -4x+3

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.

• h = 2C + 15

• C = 15h + 2

• h = 15C + 2

• C = 2h + 15

Which statement describes the rate of change of the line?

• $20 increase each week

• $30 increase each week

• $25 decrease each week

• $70 increase each week

Which rate of change represents the graph shown?

• -15 feet per minute

• 15 feet per minute

• -200 feet per minute

• 200 feet per minute