Functions, Relations, Graphing Linear Equations, Intercepts

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

What is the range?

• {-3, -1, 2, 4}
• {0, 4, 7} 
• {0, 4, 4, 7}
• {7, 4, 0}

In the following equation, what is the y-intercept?  
y = -3x + 7

• -3
• 7
• -3/7
• 3

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

What is the y-intercept of the line graphed below?

• 3
• 4
• -3
• 4/3

The point where the line crosses the y-axis is called the:

• origin
• x-intercept
• y-intercept
• slope

What is the x and y intercept for the following equation ?

4x - 10y = 20

• x - int = 4

  y-int = -10

• x-int = 5

  y-int = 2

• x - int = 5

  y int = -2

• x -int = -2

  y -int = 5

Which graph is correct for y = -x + 3?

• A

• B

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

• (6, 0)
• (0, 4)
• (-1, 3)
• (2, 0)

• Yes

• No