### Home > INT2 > Chapter 3 > Lesson 3.1.3 > Problem 3-31

3-31.

Write the equation of

. Use the slope triangle in the diagram to determine the slope of the line.

What are the

*x*- and*y*-intercepts of the line?Calculate the area and perimeter of Δ

*CPM*.Area = 4 units²

Write an equation of the line through point

*M*that is perpendicular to. The slopes of perpendicular lines are negative reciprocals.