Solving System by Graphing

Solving System by Graphing. Prepared by: Ronalyn F. Luceña Meryl Vergara.

6-1 Solving Systems by Graphing All solutions of a linear equation are on its graph. To find a solution of a system of linear equations, you need a point that each line has in common. In other words, you need their point of intersection. y=2x-1 The point (2, 3) is where the two lines intersect and is a solution of both equations, so (2, 3) is the solution of the systems..

6-1 Solving Systems by Graphing Example 2A: Solving a System Equations by Graphing Solve the system by graphing. Check your answer. -1 Y = -2x-3 Graph the system. The solution appears to Check be at (-1, -1). 1 21, 21} Substitute (-1, -1) into the system. y=-2x 3 (-1) -1 (-1) (-1) -1 -2(-1) -3 2-3 (-1, -1) is the solution of the system..

6-1 Solving Systems by Graphing Check It Out! Example 2a Solve the system by graphing. Check your answer. Graph the system. The solution appears to be (—2, 3). Check Substitute (—2, into the system. 3) x y=-2x 1 -2(-2) 1 3 3 3 3 3 (—2, 3) is the solution of the system..

Evaluation.

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