SAT® · Test Mechanics: The Tools and the Traps
When Reaching for Desmos Is Slower Than Algebra
Watch it explained
- How it worksHow do you decide in five seconds whether a math question is a typing problem or a thinking problem?
- Worked exampleWalk me through solving 4(x - 3) = 2x + 10 by hand in 15 seconds and by graphing in 45.
- Common mistakeWhy isn't opening the built-in calculator on every math question the safe default?
- Going furtherWhat changes about the calculator decision when a question hands you no numbers at all?
Check yourself
Your turneasy1 of 3
Solve 7(x - 6) = 3x + 9 by hand instead of graphing both sides. What is x? Round to the nearest hundredth.End of topic.