Slope-Intercept Form of a Line Answers

The graph represents revenue in dollars as a function of greeting cards sold.

Which statements are true about the lines? Select three options.

A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (2, 0).

The profit earned by a hot dog stand is a linear function of the number of hot dogs sold. It costs the owner $48 dollars each morning for the day’s supply of hot dogs, buns and mustard, but he earns $2 profit for each hot dog sold. Which equation represents y, the profit earned by the hot dog stand for x hot dogs sold?

What is the slope of the line represented by the equation y = – – 5x?

A coordinate plane with a line drawn passing through the points (0, 3) and (1,1).

A leaf hangs from a branch 12 feet in the air. It falls to the ground at a rate of 0.25 feet per second. Which graph could represent the leaf’s height in feet as a function of time, in seconds, after leaving the branch?

A circle representing a pool is graphed with a center at the origin. Grant enters the pool at point A and swims over to a friend who is located at point B.

What is the y-intercept of the function f(x) = –x + ?

A coordinate plane with a line drawn passing through the points (0, 3) and (3, 2).