Difference between revisions of "2011 CEMC Gauss (Grade 7) Problems/Problem 2"

(Created page with "=== Problem === The value of <math> \sqrt {9 + 16} </math> is <cmath> \textbf {(A) 5.2} \ \ \ \textbf {(B) 7} \ \ \ \textbf {(C) 5.7} \ \ \ \textbf {(D) 25} \ \ \ \textbf {(...")
 
 
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<math> \sqrt {9 + 16} = \sqrt {25} = \sqrt {5^2} = \boxed {\textbf {(E) 5}} </math>
 
<math> \sqrt {9 + 16} = \sqrt {25} = \sqrt {5^2} = \boxed {\textbf {(E) 5}} </math>
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{{CEMC box|year=2011|competition=Gauss (Grade 7)|num-b=1|num-a=3}}

Latest revision as of 15:02, 19 October 2025

Problem

The value of $\sqrt {9 + 16}$ is \[\textbf {(A) 5.2} \ \ \ \textbf {(B) 7} \ \ \ \textbf {(C) 5.7} \ \ \ \textbf {(D) 25} \ \ \ \textbf {(E) 5}\]

Solution

$\sqrt {9 + 16} = \sqrt {25} = \sqrt {5^2} = \boxed {\textbf {(E) 5}}$

2011 CEMC Gauss (Grade 7) (ProblemsAnswer KeyResources)
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Problem 1
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Problem 3
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CEMC Gauss (Grade 7)