Andre likes thinking of absolute value functions as piecewise functions like he did in activity 2 of the previous lesson. he thinks that to solve the equation from the warm-up, |x+2| = 9 algebraically he could use two equations. andre's thinking: x+2=9 and -(x+2) = 9 x=7 and x =-11 did andre get the correct answers? do you think andre's method will work for all absolute value equations?
