Objective Video Example by Mrs. G Give It a Try Lesson 3.1  Graph and solve systems of linear equations in two variables.  Determine when a system has.

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Presentation transcript:

Objective Video Example by Mrs. G Give It a Try Lesson 3.1  Graph and solve systems of linear equations in two variables.  Determine when a system has one solution, no solution, or infinitely many solutions.

Video Objective Video Example by Mrs. G Give It a Try Marc Whitaker

Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Solve the system.

Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Solve the system. Graph each equation on the same set of axes. (Rewrite equations in slope-intercept form) Step 1:

Click to continue.

Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Solve the system. Identify the point of intersection. Step 2:

Click to continue.

Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Solve the system. Verify that the point is a solution algebraically. Step 3:

Objective Video Example by Mrs. G Give It a Try Example by Mrs. G ALWAYS use the original equations in the system!!! The solution to the system is x = -1 and y = -2, or (-1, -2)

Give It a Try Objective Video Example by Mrs. G Give It a Try Solve the system by graphing. Bring your work and answer to our next class!