SAT.8.10.Harder: Quadratic and Exponential Word Problems, page 161

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Buy the companion book on Amazon to follow along with the questions:

In this video, Doc Chelle shows how to use the Desmos calculator on PSAT/SAT-style math questions relating to Khan Academy's Unit 8 Lesson 10: Quadratic and Exponential Word Problems HARDER

What does College Board's Bluebook App do well? Adaptive PSAT/SAT practices tests with explanations on student missed questions

What does Bluebook lack? Content instruction

What does Khan Academy do well? Creates a personalized instructional program based on College Board/Bluebook data

What does Khan Academy lack? Videos (as of 2024) that teach learners how to use the Desmos calculator on most questions

What does Schoolhouse lack? Freedom to study on the learner's schedule

Who can benefit from this resource? The 90% of students who scored less than 690 on the PSAT/SAT or practice test.

For anyone who scored over 690, this book is still valuable to you; however, the first edition does not cover the Advanced-level questions. You might be better off focusing your time on Khan Academy.

If I finish this book, will I make a million dollars or raise my score by 300 points? Um, no. Sorry. Students who followed my previous free programs raised their scores 70 points, on average, each time they took the test. Some students raised their math scores by 120+ after one test, but it takes dedication. If you have six months to prepare, then a big jump into the high 600s is possible (remember - I don't include content, yet, for scores over 690).

Who is Desmos and the PSAT/SAT program designed for?

- Students who scored less than 690 on the Math Section
- Learners who don't have access to expensive tutors – and most students can do exceptionally well without tutors
-Teens who struggle in school, especially math
-Students who hate, hate, hate taking tests
-Students who are busy with other activities
-Teens who are young parents or family caregivers