Education Technology

Lines and Conics App

How do I solve a system of linear equations in standard form?

To solve a system of linear equations in standard form with the Lines and Conics App follow the steps below:

Example:

Graph the lines 3x – 2y=6 and -x+4y=1 and solve for their intersection.

1.    Select the Lines and Conics App icon  from the Home Screen.

2.    Press = in an empty equation to add an equation template for a line in standard form.

3.    Select the template by using the left arrow key and right arrow key to change the templates.

4.    Fill in the equation template using the numbers and arrow keys to navigate the entries.

NOTE: use the plus + and minus signs to change the signs within the template.

5.    Press = to complete the entry.

6.    Repeat for the second equation.

7.    Press h to view the graph.

8.    Press g and use the left and right arrow keys to navigate to the intersection.

Note: Points of Interest Trace will find points of interest on equations that are functions (lines and vertical parabolas) if it is turned on.

9.    Press g to explore the graph.

Note: Toggle between Y= editor and E: editor entry to manage the graphs of functions by pressing the c key.

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