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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 10: Q 10.8 (page 1159)

Solve $d^{2} + 81 = 0$ .

Short Answer

Expert verified

The quadratic equation $d^{2} + 81 = 0$ has no real solutions.

Step by step solution

01

Given Information.

The Given equation is $d^{2} + 81 = 0$ .

02

Isolate the quadratic term.

$d^{2} = - 81$

03

Use the square root property.

$d = 卤 \sqrt{- 81}$

The radicand is negative.

Therefore, $\sqrt{- 81}$ is not a real number.

There is no real solution.

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