Slope-Intercept Form Day 2

A chairlift descends from a mountain top to pick up skiers at the bottom. The height in feet of the chairlift is a linear function of the time in minutes since it begins descending as shown in the graph.

Multiple Choice

What does the y-intercept represent?

• The time that the chairlift starts

• The height where the chairlift ends.

• (4, 2400)

• The height of the chairlift when no time has passed

Multiple Choice

What does the slope represent?

• Increasing 750 feet per min

• Decreasing 750 feet per min

• Increasing 750 min per feet

• Decreasing 750 min per feet

A local club charges an initial membership fee as well as a monthly cost. The cost C in dollars is a linear function of the number of months of membership.

Multiple Choice

What does the slope represent?

• decreasing cost per month

• increasing cost per month

• decreasing month per cost

• increasing month per cost

Multiple Choice

What does the y-intercept represent?

• The cost at 6 months

• The cost at 0 months

• The time at $100

• The time at $454

Multiple Choice

Find the slope.

• -5/3

• -3/5

• 5/3

• 3/5

Multiple Choice

What is the slope represented in the table?

• 1/2

• 2

• -1/2

• -2

Multiple Choice

What is the x-intercept of the line?

• (1,0)

• (2,0)

• (-1,0)

• (-2,0)

Multiple Choice

Find the y-intercept

$$3x+y=5$$

• (-3,0)

• (0,5)

• (5,0)

• (0,-3)

Multiple Choice

Find the x-intercept.

$$3x+8y=24$$

• (8,0)

• (0,8)

• (3,0)

• (0,3)

Multiple Choice

Which pair could represent a y-intercept on a graph?

• (6,0)

• (0,4)

• (-1.3)

• (2,0)