Beginning Slope and Y-Intercept

Write the slope-intercept form of the equation that has a slope of 4 and a y-intercept of −3.

• y = 4x − 3

• y = −3x + 4

• y = −4x + 3

• y = 3x − 4

Determine the slope and y-intercept from the following equation: 4x + y = -10

• slope: 4 y-intercept: (0,10)

• slope: -4 y-intercept: (0,-10)

• slope: -4 y-intercept: (0,10)

• slope: 4 y-intercept: (0,-10)

Write the slope-intercept form of the equation shown in the graph.

• y = -1/3x - 2

• y = 1/3x - 2

• y = 3x - 2

• y = -3x - 2

Write the slope-intercept form of the equation shown in the graph.

• y = -2/3x + 4

• y = 2/3x + 4

• y = 3/2x + 4

• y = -3/2x + 4

Identify the slope and y intercept in the equation of the line: y = -1/3x + 1

• Slope: 1/3
  y-intercept: 1

• Slope: 1/3
  y-intercept: -1

• Slope: -1/3
  y-intercept: 1

• Slope: -1/3
  y-intercept: 0

Write the equation of the line with slope -2 through the point (7, −1).

• y = −2x + 15

• y = −2x − 15

• y = −2x + 13

• y = −2x − 13

Which of these lines has a slope of -3?

• A

• B

• C

• D

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the y-intercept of the scenario?

• Total # of feet hiked.

• Total # of hours hiked.

• # of feet hiked each hour.

• Initial altitude.

Suppose that the water level of a river is 34 feet and that it is receding 0.5 foot per day. Interpret the y-intercept of the scenario.

• Lowest water level of the river.

• The initial water level.

• The river's receding rate.

• The water level after 10 days.

Who has the greater rate of change?

• CJ has a greater rate of change with 6.5

• Holland has a greater rate of change with 6

• CJ has a greater rate of change with 2/13

• They have the same rate of change.