The number of hot dogs I ate at the picnic is the same as the number of real numbers that satisfy $$\(\left(x^{2}-12\right)^{2}=169\)$$. How many hot dogs did I eat?
A.
1
B.
2
C.
3
D.
4
Exam No：2022 First Round Grades 8-9 Year：2022 Question No：7
Answer:
B
Knowledge points:
G8-9 - Algebra - Quadratic Equations (Factoring & Formula)
Solution:
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