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5
avatar+25 

thanks

 Nov 1, 2019
edited by elafargoshi  Nov 2, 2019
 #1
avatar+19832 
+3

The equation of a line is

y=mx+b   where m is the slope  

In your example the slope is given as '4'

 

y = 4x +b     Now put in the point you were given   x,y   2, -3

-3 = 4(2)+b    and solve to find b = -11   for your question

the line equation becomes

y=4x-11

 Nov 1, 2019
 #2
avatar+25 
+1

how you know that the slope is 4 ?

elafargoshi  Nov 1, 2019
 #3
avatar+19832 
+2

The line goes up '4' for every one x  means slope is 4    slope is rise /run    it rises  4  for 'run' of one   = 4

ElectricPavlov  Nov 1, 2019
 #4
avatar+25 
+1

thank you so much 

elafargoshi  Nov 1, 2019
 #5
avatar
0

that member give you the answer that i want to say you 

 Nov 1, 2019

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