The latest Quadratics Quiz on material through Completing the Square had a average of 85% and a median of 90%. We will have one more quiz before the vacation.
Let's look at some student work.
Below, I've seen this from time to time. Students ignore the parenthesis and do the wrong operation.
Below, plus or minus when solving by taking square roots is so important to remember.
Below, when asked to find the roots, zeros, or x intercepts it all means the same thing.
This person needs to go one more step.
Below, if you are just simplifying a radical, then you do not add the plus or minus. That was the crux of the entire lesson.
Below, let's get in the habit of simplifying expressions.
Below, and last but not least, this student make smile stressing the importance of the little "plus or minus" when SOLVING by taking square roots.
Please find my Assessment Data for the quiz below. We'll review in class.