Answer :
Parallel lines have equal slopes.
Slope intercept form:
y=mx+b
Where:
m= slope
b= y-intercept
For
y=-5x+4
m= -5
So, the slope of the new line so far :
y= -5x+b
Replace (x,y) by the point given (1,2)
2 = -5(1)+b
Parallel lines have equal slopes.
Slope intercept form:
y=mx+b
Where:
m= slope
b= y-intercept
For
y=-5x+4
m= -5
So, the slope of the new line so far :
y= -5x+b
Replace (x,y) by the point given (1,2)
2 = -5(1)+b