Which representation has a constant of variation of -2.5? A) X: -2, -3, -4, -5
Y: -5, -7.5, -10, -12.5
B) 5x+2y=0
C) y=-2.5x+1
D) is a graph

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.