Someone replaced Emma's $$\(g\)$$ eggs with $$\(b\)$$ billiard balls! Emma notices that $$\(b+1=g^{2}\)$$ and $$\(b^{2}+31=g^{4}\)$$. What is the value of $$\(g\)$$ ?

A.
4
B.
11
C.
12
D.
30
Mathematics
Competition
Math League
Exam No:2020-2021 Math League First Round Grades 8-9 Year:2021 Question No:4

Answer:

A

Knowledge points:

G8-9 - Algebra - Systems of Non-Linear Equations (Substitution)

Solution:

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