But his mom had already popped it into the old player. The screen flickered, then displayed a man in a tweed jacket with a chalkboard behind him. “Hello, I’m Dr. Al Gebra,” the man said with a corny grin. “And today, we’re solving for the unknown.”
By the end of the week, Leo had worked through the first three chapters. The DVD’s menu was his map: (they were not his friends, but Dr. Al made a pie analogy that stuck). Chapter 7: The Quadratic Song (he’d never forget “negative b, plus or minus square root…”). dvd math tutor
Maya got it. Leo got it. They both passed the test. But his mom had already popped it into the old player
He subtracted 5 from both sides. X = 7. “The witness is found.” I’m Dr. Al Gebra