Wild, Crazy Lines


Read each of the following descriptions of a line. Write an equation whose graph will fit the given description. Use a graphing utility to graph your equation and verify that it does fit the description. If it does not, write a new equation and check again.

1. A line with a positive slope and a y-intercept of 5.

2. A line with a negative slope and passing through the origin.

3. A positive slope passing through the point (-2, 5).

4. A positive slope and an x-intercept of -2.

5. A negative slope and a y-intercept of 4.

6. No slope and passing through the point (-1, 5).

7. A negative slope and an x-intercept of -6.

8. A slope of zero and passing through the point (-1, 1).

9. A line perpendicular to the y-axis and passing through the point (-5, 3).

10. A positive slope and passing through the point (-2, 3).