$1$ Overview

Write a simple C program to calculate the slope$-$intercept form of a line equation. The program should

prompt the user for the coordinates of the first point, x first, and then y$,$ and then prompt the user for

the second point, x first and then y$.$ After that, the program should calculate and then print out the slope

and y$-$intercept of the line and equation of the line in slope$-$intercept form y $=$ mx $+$ b$.$

The program should then prompt the user for the x coordinate of a third point and then print out the

corresponding y coordinate for that point.

Your program should

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Request the user input two coordinates one number at a time. $($For the user to input $($x$1,$y$1)$ and $($x$2,$y$2),$

the program needs to request each number separately.$)$

Calculate the slope of the line and the y$-$intercept of the line.

Output the equation in the form y $=$ mx$+$b subsituting the values you calculated for the slop and

y$-$intercept.

Request the user input a third x value.

Calculate the y value for this input.

Print the solution to the screen