Question

In the following exercises, solve each equation. $v^2-80=0$ 

   In the following exercises, solve each equation.
$v^2-80=0$
Intermediate Algebra
Intermediate Algebra
Lynn Marecek 1st Edition
Chapter 9, Problem 6 ↓
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In the following exercises, solve each equation. $v^2-80=0$
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Transcript

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00:01 When the middle term is missing in a quadratic, we can solve by taking the square root.
00:04 We're going to try to move the, i'll get the variable all by itself and then solve from there.
00:09 So to solve, i'm going to start by adding 80 to both side, getting me v squared is equal to 80.
00:15 Now i'm going to take the square root of both sides.
00:17 Now the first thing that we need to make note of here is that we have solving by the square root.
00:22 So on the left, when we take the square, we're left with v...
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