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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 10: Q 214. (page 1235)

Solve quadratic equation by using square root property $y^{2} = 144$

Short Answer

Expert verified

The required result is $y = 12 o r - 12$

Step by step solution

01

Given Information

The given expression is $y^{2} = 144$

02

Square Root Property

If $x^{2} = k$ and $k \geq 0$ then $x = \sqrt{k} o r - \sqrt{k}$

$144 \geq 0$

then,

localid="1648577071869" $x = \sqrt{144} o r - \sqrt{144}$

$x = 12 o r - 12$

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