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The line with equation y = mx + b is perpendicular to the line with equation y = 16 - x/3. The value of m is?

 

a) -3

 

b) -1/4

 

c) 3

 

d) -1/3

 

e) 1/3

 Sep 20, 2020
 #1
avatar+10319 
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The line with equation y = mx + b is perpendicular to the line with equation y = 16 - x/3.  The value of m is?

 

a) -3

b) -1/4

c) 3

d) -1/3

e) 1/3

 

Hello SmartMathMan!

 

\(y=16-x/3\)

\( is\ identical\ to \\ y=-\frac{1}{3}x+16\)

 

\(m=-\frac{1}{(-\frac{1}{3})}\)

\(m=3\)

laugh  !

 Sep 20, 2020
edited by asinus  Sep 20, 2020
edited by asinus  Sep 20, 2020
 #2
avatar+1328 
+2

THANK YOU!!!

SmartMathMan  Sep 20, 2020

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