Aim: How do we classify and identify a solution of an equation? Homework Questions: Error Analysis: A student checked whether d = -2 is a solution of -3d + (-4) = 2, as shown.  Describe and correct the student’s error.                         -3d + (-4) = 2 -3(-2) + (-4) = 2 -6 + (-4) = 2 -10 ≠ 2       X Writing: What are the differences between an expression and an equation?  Does a mathematical expression have a solution? Explain. … [Read more...]