Linear Functions Key Features

Give the y-intercept

• (2,0)

• (0,2)

• (0,-2)

• there is no y-intercept

Find the slope of the line.

• -2

• 2

• -1

• 1

What does the slope tell you about this situation? 

• He ate 1 cookie in 2 minutes. 

• He ate 4 cookies per minute. 

• He ate 2 cookies per minute

• He ate 1/2 cookies every minute

• {-4, 0, 2, 4 }
• -1 ≤ y ≤ 3
• { -1, 0, 1, 3 }
• -4 ≤ x ≤ 4

• { -5, -1, 1, 5 }
• {-1, 1, 2, 4 }
• -1 ≤ x ≤ 4
• -5 ≤ y ≤ 5

• -4 ≤ x < 2
• 0 ≤ y < 3
• -4 < x ≤ 2
• 0 ≤ y < 3

• y ≥ 4
• y ≤ 8
• y > -4
• y < 8

Which best describes the slope of the line?

• Increasing

• Decreasing

• Zero

• Undefined

What does the x-intercept of the graph represent?

• The number of gallons of fuel in the truck before any driving occurred.

• The number of hours the truck was driven before running out of fuel.

• The number of gallons of fuel the truck can hold.

• The number of house required to use one gallon of fuel.

Find the slope and y-intercept of this line.

• Slope is 3, y-intercept is -3

• Slope is 1, y-intercept is 3

• Slope is -1, y-intercept is 3

• Slope is -3, y-intercept is 3