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A line has a slope of  (-3/7)and its -intercept is (0,18). What is its -intercept?

 Jun 27, 2020
 #1
avatar+783 
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Hi, some things are missing from this question.Check over carefully.

 Jun 27, 2020
 #2
avatar+28021 
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y = -3/7 x + 18 would be the equation of the line    y intercept is where x = 0    at   0,18

           x intercept occurs where y = 0   

 

0 = -3/7x +18

18 = 3/7 x     x  =  18 (7/3) = 42       the x intercept is   42,0

 Jun 27, 2020

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