Question

The coordinates of two points A and B on a straight line are given as (x1, y1) and (x2, y2). Write a program to calculate the slope (m) of the line by using formula: 

Slope = `((y2 − y1))/((x2 − x1))`

Take the coordinates (x1, y1) and (x2, y2) as input. 

Answer 1

import java.util.*;
public class U5_Q8
{public static void main(String args[])
{Scanner obj = new Scanner(System.in);
double y2, y1, x2, x1, slope;
System.out.println(“Enter the values of the co-ordinates”);
System.out.print(“Enter y2: ”);
y2 = obj.nextInt();
System.out.print(“Enter y1: ”);
y1 = obj.nextInt();
System.out.print(“Enter x2: ”);
x2 = obj.nextInt();
System.out.print(“Enter x1: ");
x1 = obj.nextInt();
slope = (y2 − y1) / (x2 − x1);
System.out.println(“Slope = " + slope);
}
}