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.
