Asked by Ayomide
                y is partly constant and partly varies as x,when y=-2,x=5 and when y=-1,x=4,find y when x=3 and x when y=1
            
            
        Answers
                    Answered by
            R_scott
            
    the slope of the line is ... (-2 - -1) / (5 - 4)
... y = -1 x + b
plug in one of the given points to find b (the y-intercept ... the constant part)
use the equation to find the missing y and x
    
... y = -1 x + b
plug in one of the given points to find b (the y-intercept ... the constant part)
use the equation to find the missing y and x
                    Answered by
            henry2,
            
    (4, -1),  (5, -2),  (3, y),  (x, 1).
m = (-2+1)/(5-4) = -1.
-1 = (y+1)/(3-4).
Y = 0.
-1 = (1+1)/(x-4)
X =
    
m = (-2+1)/(5-4) = -1.
-1 = (y+1)/(3-4).
Y = 0.
-1 = (1+1)/(x-4)
X =
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