Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

Gauss Grade 7 Year 2011 Problem 2

Revision as of 14:59, 5 July 2011 by Ahaanomegas (talk | contribs) (→‎Solution)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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

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

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=Gauss_Grade_7_Year_2011_Problem_2&oldid=40248"