Practice problem
Which equation is most likely to be the equation of the trend line?
y=1.8x2+5.02y = 1.8x^{2}+5.02y=1.8x2+5.02
y=1.8x−3.49y = 1.8x -3.49y=1.8x−3.49
y=−1.8x+5.02y = -1.8x +5.02y=−1.8x+5.02
y=1.8y = 1.8y=1.8
Type a concept, like “slope” or “photosynthesis”.