Question

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Problem: Write a simple C program that calculates the corresponding y-coordinate for any x-coordinate onaline defined by two points. These points areinputspecifiedas pairsofxandycoordinates in the two-dimensional Cartesian coordinate system. Youneed to determine the slope ofthe line and they-intercept for the line plotted by these two points and store this data in memory. The programmustpromptthe userforthe coordinates of the first point X1 and then Y1, and then prompt the user for the second point, X2 and then Y2. After that, the program should calculate and then print out the slope, y-intercept and the line equation in the format of: y=m* x + b Finally, the program must prompt the user forthex-coordinate of the third point, X3. After that, the program should calculate and then print out the y-coordinate of the third point. Name the source code file pgm2.c. You mustinclude the following program identification commentblock at the startof your source code file andadd the correct relevantinformation. The pledge must be present. /*** Project 2: pgm2.c Programmer: information that you must provide * Due Date: information that you must provide * CSC130 <semester> <year> I pledge I neither gave nor received unauthorized aid on this program. * Description: information that you must provide Inputs: information that you must provide Output: information that you must provide

Answer 1

Answer:

#include<stdio.h>
#include<stdlib.h>

//main
int main()
{
    //variables declaration
    float x1,y1,x2,y2,m,c,x3,y3;

    //taking inputs of x1,y1,x2,y2
    printf("enter 1st x coordinate:");
    scanf("%f",&x1);

    printf("enter 1st y coordinate:");
    scanf("%f",&y1);

    printf("enter 2nd x coordinate:");
    scanf("%f",&x2);

    printf("enter 2nd y coordinate:");
    scanf("%f",&y2);
    //calculating slope m
    m=(y2-y1)/(x2-x1);
    //calculating y intercept c
    c=y1/(m*x1);
    //printing final equation
    printf("\nFinal line equation: y = %f*x + %f",m,c);
    //input x3
    printf("\n\nenter 3rd x coordinate:");
    scanf("%f",&x3);
    //calculation of y3 from equation
    y3 = m*x3 + c;
    //printing y3
    printf("\n3rd y coordinate = %f.\n\n",y3);

    return 0;
}

OUTPUT:

//please upvote//

] X C:\Users\NITISH\Music\BooleanDecision\main.exe enter 1st x coordinate: 4 enter 1st y coordinate: 8 enter 2nd x coordinate: -3 enter 2nd y coordinate: -6 Final line equation: y = 2.000000*x + 1.000000 enter 3rd x coordinate: 6 3rd y coordinate = 13.000000. Process returned (0x0) Press any key to continue. execution time : 14.842 s