How do you graph the inequality #2x-3y<=1# on the coordinate plane?
1 Answer
Draw the line and decide which side to shade for the required region.
Explanation:
Treat the inequality as a straight line graph first .
Then shade the correct side of the line to indicate the solutions which are less than
You can use any method to draw the straight line - plot points or use the intercept/gradient method.
I will use the method of the
To find the
To find the
Now that you have both intercepts you can plot them and draw a solid line through them. This is the line
You could also write the equation as :
To decide which side of the line to shade, choose a test point.