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If a is the x-intercept, b is the y-intercept, and m is the slope of the line with equation x/4 + y/18 = 1, then what is the value of a + b + m?

 Jun 26, 2022
 #1
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x/4  + y/18 =  1

 

If a is the x intercept then y = 0   so

 

x /4  = 1

x = 4*1  = 4

 

If b is the y int, then x=  0  so

 

y/18 = 1

y = 18

 

Slope =   [ 18 - 0 ] [ 0 - 4 ] =  - 18 / 4 =   -9  / 2  =  -4.5

 

a + b + m  = 

 

4 + 18 - 4.5   =    17.5

 

 

cool cool cool

 Jun 26, 2022

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