We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
+1
95
3
avatar+16 

Please do a. and b.

 Sep 10, 2019
 #1
avatar+19813 
+1

a.   slope =   y1-y2   /   x1-x2  ==== (8-17)/(4-8) = 9/4

     using y = mx+b     m = 9/4    and one of the points

                8 = 9/4(4) + b       b = -1

         y = 9/4 x -1  

 Sep 11, 2019
 #2
avatar+19813 
+2

b.  slope = 9/4      

       using point   -12 20        20 = 9/4 (-12) + b    b = 47

y = 9/4 x + 47

 Sep 11, 2019
 #3
avatar+19813 
+1

Picture:

https://www.desmos.com/calculator/vxtm4fbbaa

 Sep 11, 2019

9 Online Users