Question

In the following exercises, solve using the Square Root Property. $a^2-18=0$ 

   In the following exercises, solve using the Square Root Property.
$a^2-18=0$
Intermediate Algebra
Intermediate Algebra
Lynn Marecek 1st Edition
Chapter 9, Problem 53 ↓
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In the following exercises, solve using the Square Root Property. $a^2-18=0$
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Transcript

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00:02 All right, in order to solve this problem, we are going to isolate the quadratic term by adding 18 to both sides.
00:11 So that gives a squared equals a positive 18.
00:15 And then we're going to use the square root property by taking the square root of both sides...
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