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    Standard Form to Point Slope Form

    How to convert from Ax + By = C to y -y1 =m(x-x1)

    It is a common task to have to convert the equation of a line from standard form to point slope form.
    Video Tutorial on Standard to Point Slope Form
    Example of Converting from Standard Form to Point Slope Form of a Line


    Convert 3x + 5y = 15. to point slope form.
    Step 1) Isolate the 'y' term
    Step 2) Multiply all terms by the multiplicative inverse of the coefficient of y
    Step 3) Simplify
       
    Step 4) Substitute a convenient value of x into your equation and solve for y (You're doing this to get the point x1,y1). Let's choose x=5. Yes, you could choose x=0 and make your life really easy!Then substitute the x and y values that found into the point slope formula.


    Practice Converting Equations

    Convert 3y − 2x = −12 to point slope form.
    Step 1) Isolate the 'y' term
    Step 2) Divide all terms by the coefficient of y
    Step 3) Simplify
    Step 4) Substitute a convenient value of x into your equation and solve for y (You're doing this to get the point x1,y1). Let's choose x = 3. Yes, you could choose x=0 and make your life really easy!Then substitute the x and y values that found into the point slope formula.




    Convert 4y − 5x = 20 to point slope form.
    Step 1) Isolate the 'y' term
    Step 2) Multiply all terms by the multiplicative inverse of the coefficient of y
    Step 3) Simplify
    Step 4) Substitute a convenient value of x into your equation and solve for y (You're doing this to get the point x1,y1). Let's choose x = 4. Yes, you could use x=0 and make your life really easy!Then substitute the x and y values that found into the point slope formula.


    Convert 2x + 3y = 18 to point slope form.
    Step 1) Isolate the 'y' term
    Step 2) Multiply all terms by the multiplicative inverse of the coefficient of y
    Step 3) Simplify
    Step 4) Substitute a convenient value of x into your equation and solve for y (You're doing this to get the point x1,y1). Let's choose x = 3. Yes, you could use x=0 and make your life really easy! Then substitute the x and y values that found into the point slope formula.





    More challenging problems

    Convert the equation to point slope form.
    Step 1) Isolate the 'y' term
    Step 2) Multiply all terms by the multiplicative inverse of the coefficient of y
    Step 3) Simplify
    Step 4) Substitute a convenient value of x into your equation and solve for y (You're doing this to get the point x1,y1). Let's choose x = 5. Yes, you could use x=0 and make your life really easy! Then substitute the x and y values that found into the point slope formula.


    Convert to point slope form.
    Step 1) Isolate the 'y' term
    Step 2) Multiply all terms by the multiplicative inverse of the coefficient of y .
    Step 3) Simplify
    Step 4) Substitute a convenient value of x into your equation and solve for y (You're doing this to get the point x1,y1). Let's choose x =4. Yes, you could use x=0 and make your life really easy! Then substitute the x and y values that found into the point slope formula.