SOLUTION: What is the equation for the line that passes thru the points (2,-7) and (-2,4). Answer must be in print slope form

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Question 1131292: What is the equation for the line that passes thru the points (2,-7) and (-2,4). Answer must be in print slope form
Found 3 solutions by josgarithmetic, ikleyn, MathTherapy:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!

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Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
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What is the equation for the line that passes thru the points (2,-7) and (-2,4). Answer must be in point slope form.
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            Since the post by @josgarithmetic is absurdist,  I came to bring a correct solution. 


First, calculate the slope.


    The formula for the slope of a straight line passing through two given points  
 (,)  and  (,)  is
        m = .

    Substitute the given data   = 2,   = -7,   = -2,  = 4  into the basic formula
        m =  =  = .


Next, find an equation of the line having the slope    and passing through the given point (2,-7).


    An equation of a straight line in a coordinate plane which has the slope  m  and passes through the given point  P = (a,b)  is 

        y - b = m*(x-a).     

    Substitute here  m = ,  a = 2,  b = -7,  and you will get

        y - (-7) = ,   or

        
        y + 7 = .

    
    It is the equation in the slope-point form, and it is your final ANSWER.

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See the lesson
    - Equation for a straight line in a coordinate plane passing through two given points
in this site.


Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

What is the equation for the line that passes thru the points (2,-7) and (-2,4). Answer must be in print slope form
 

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