Question 369659
(1/4,-1/2) (3/4,5)
Y=mX+b
m=(Y2-Y1)/(X2-X1)
m=(5+1/2)/(3/4-1/4)
m=4.5/.5
m=9 IS THE ANS. FOR THE SLOPE.
5=9*3/4+b
5=27/4+b
b=5-27/4
b=(20-27)/4
b=-7/4
Y=9X-7/4 ans.
{{{ graph( 300, 200, -6, 5, -10, 10, 9x -7/4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 9x -7/4).