Question

In the following exercises, solve using the Square Root Property. $(a-4)^2=28$ 

   In the following exercises, solve using the Square Root Property.
 $(a-4)^2=28$
Intermediate Algebra
Intermediate Algebra
Lynn Marecek 1st Edition
Chapter 9, Problem 49 ↓
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In the following exercises, solve using the Square Root Property. $(a-4)^2=28$
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Transcript

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00:03 In this example, we have a quadratic in vertex form.
00:09 So what we're going to do is use the square root property to take the square root of both sides.
00:17 The square root and the square cancel, leaving you with the quantity a minus 4, plus or minus the square root of 28.
00:27 We're going to simplify our square root of 28 by looking at the perfect squares that go into 28...
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