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...]
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