SOLUTION: Calculate the residual of P = (1.2, 2.4) with respect to the line 3x + 4y = 12.

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Question 1154769: Calculate the residual of P = (1.2, 2.4) with respect to the line 3x + 4y = 12.
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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This problem is to be solved in 3 (three) steps. 

    STEP 1.  Express  y = %2812-3x%29%2F4.


    STEP 2.  Calculate the value of "y" at x= 1.2    y = %2812-3%2A1.2%29%2F4 = 2.1.


    STEP 3.  The residual is the difference between this value 2.1  and the y-coordinate 2.4  of the given point.


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