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

 Jun 23, 2022
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Let  two points on the line  be  (0, 18)  and (x , 0)

 

We can solve this

 

[ 0 -18 ] / [ x - 0 ]  = 3/7

 

-18  / x  = 3/7

 

-18 (7/3)  =  x

 

(-18/3)(7)  = x

 

-42  = x   =   the   x intercept

 

 

cool cool cool

 Jun 23, 2022

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