SAT Function Symmetry Trick | SAT Math Trick #24 |
Автор: SAT MATH PLANET
Загружено: 2025-11-11
Просмотров: 129
Описание:
This SAT problem looks easy—but there’s a sneaky pattern hidden inside!
You’re asked to find f(2) + f(–2) for f(x) = x² – 4x + 7.
Most students just plug in numbers, but the smart move is to notice the symmetry in the function.
When you add f(x) + f(–x), the linear terms cancel!
That shortcut helps you solve it in seconds—no messy calculations.
Once you see this trick, you’ll spot these symmetry questions instantly on the SAT.
Follow for more SAT math hacks, algebra patterns, and quick problem-solving tricks that boost your score fast!
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