11.9 Perpendicular lines

Write a program to draw linear lines with equation

y = mx + b

where m is the slope of the line and b is the y-intercept. Prompt user to enter the slope and y-intercept. Draw the line from x=-10 to x=10. Use numpy arange method to generate x values from -10 to 10 with step size of 0.1. For example.,

x = np.arange(-10, 10, 0.1) 

Use the plt.axis() function to set the range of x and y values from -10 to 10. Add xlabel with x-axis, ylabel with y-axis, and title Perpendicular Lines.

After you have drawn the line, draw a line that is perpendicular to the first line. Hint: Two lines are perpendicular if the product of their slope is -1. For example, if the first line has slope of 5, then the perpendicular line has slope of -1/5. Use the same y-intercept for the second line.

Note: Please name the Python file perpendicular.py. The system will not accept any other name.