Graphing Linear Equations 3.2

3.2 Graphing Linear Equations
a. Determine whether an ordered pair is a solution of an equation with two variables.
b. Graph linear equations of the type y = mx + b and Ax + By = C, identifying the y-intercept.
c. Solve applied problems involving graphs of linear equations.

Objective a
Determine whether an ordered pair is a solution of an equation with two variables.

Example C



Objective b
Graph linear equations of the type y = mx + b and Ax + By = C, identifying the y-intercept.

Graph of An Equation
The graph of an equation is a drawing that represents all its solutions.




Example D Graph y = 3x



Example E Graph y = -4x + 1







Example F



Example G




Objective c
Solve applied problems involving graphs of linear equations.

Example H