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To graph an equation using the slope and y-intercept, 1) Write the equation in the form y = mx + b to find the slope m and the y-intercept (0, b). 2) Next, plot the y-intercept. 3) From the y-intercept, move up or down and left or right, depending on whether the slope is positive or negative.

To check a system of equations by substitution, you plug your values for x and y into the original equations. If both simplified expressions are true then your answer is correct. Since x=2 and y=22123 worked for both equations I know that (2,22123) is the solution to this system of equations.

Graphing a system of linear equations is as simple as graphing two straight lines. When the lines are graphed, the solution will be the (x,y) ordered pair where the two lines intersect (cross). Before you begin, rearrange the equations so they will read "y =".

To graph an equation using the slope and y-intercept, 1) Write the equation in the form y = mx + b to find the slope m and the y-intercept (0, b). 2) Next, plot the y-intercept. 3) From the y-intercept, move up or down and left or right, depending on whether the slope is positive or negative.

How to Graph a Linear InequalityRearrange the equation so "y" is on the left and everything else on the right.Plot the "y=" line (make it a solid line for y2264 or y2265, and a dashed line for y< or y>)Shade above the line for a "greater than" (y> or y2265) or below the line for a "less than" (y< or y2264).

There are three steps:Rearrange the equation so "y" is on the left and everything else on the right.Plot the "y=" line (make it a solid line for y2264 or y2265, and a dashed line for y< or y>)Shade above the line for a "greater than" (y> or y2265) or below the line for a "less than" (y< or y2264).

There are three ways you can graph linear equations: (1) you can find two points, (2) you can use the y-intercept and the slope, or (3) you can use the x- and y-intercepts.