If a = 3 and b = 2, what is the value of a^2 + b?
A13
B8
C25
D11
Answer & Solution
Correct answer: D. 11
1. Substitute the values: 3^2 + 2.
2. 3^2 = 9, then 9 + 2 = 11.
3. 13 wrongly squares b too, and 8 treats 3^2 as 6.
_Source: Wikipedia, Elementary algebra, Substitution_
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