Which of the following relations is not a function?
What is the slope of the line that passes through (-4, -9) and (0, 5)?
Which function is represented by the graph shown?

What is the y-intercept of the line y = 4x - 3?
The variables x and y vary directly, and y = 20 when x = 5. Which equation relates the variables?
What is the equation of the line that passes through (-4, -1) and (0, 7)?
What is the equation of the line that contains (3, 3) and is perpendicular to the line y = -2x + 3?
Which inequality is represented by the graph shown?


Which function is represented by the graph shown?
