Question

Type the equation that shows the pattern among the set of ordered pairs (0,4)(1,0)(2,-4)(3,-8)

Answer 1

trial and error
y=-4x+4

or assuming that it is a line
y=mx+b
m=slope
b=yint
slope=(y2-y1)/(x2-x1)
(0,4) and (1,0)
(0-4)/(1-0)=-4/1=-4

y=-4x+b
sub point
4=-4(0)+b
4=0+b
4=b

y=-4x+4