Which set of ordered pairs (x, y)(x, y) could represent a linear function? A=
{(3, 4),(5, 2),(7, 0),(9, -2)}
{(3,4),(5,2),(7,0),(9,−2)}
B=
{(-1, 0),,(0, 3),,(1, 6),(2, 8)}
{(−1,0),(0,3),(1,6),(2,8)}
C=
{(-2, 7),(1, 3),(2, 1),(3, -1)}
{(−2,7),(1,3),(2,1),(3,−1)}
D=
{(0, 3),(4, -3),(6, -6),(8, -8)}
{(0,3),(4,−3),(6,−6),(8,−8)}

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?