Answer the question they asked: the SAT math trap
Short answer: Before you bubble, reread the last line. Circle exactly what it asks for.
The trap, in one question
If 3x + 5 = 20, what is the value of 2x − 3?
Tempting answer: 5 (that's x, not 2x − 3)
Correct answer: 7 (x = 5, so 2(5) − 3 = 7)
How to spot it in 3 seconds
Before you bubble, reread the last line. Circle exactly what it asks for.
FAQ
What is the answer the question they asked trap on the SAT?
Example: If 3x + 5 = 20, what is the value of 2x − 3? The tempting answer is 5 (that's x, not 2x − 3); the correct answer is 7 (x = 5, so 2(5) − 3 = 7).
How do you avoid the answer the question they asked trap?
Before you bubble, reread the last line. Circle exactly what it asks for.
More Math traps
← Dividing by x deletes a solution · Absolute value has two cases →
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