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In each of the following, solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth.$$x^{2}+5 x=5$$

$$\frac{-5 \pm 3 \sqrt{5}}{2},-5.854,0.854$$

Algebra

Chapter 0

Reviewing the Basics

Section 4

The Quadratic Formula and Applications

Equations and Inequalities

Campbell University

Harvey Mudd College

University of Michigan - Ann Arbor

Lectures

01:09

In each of the following, …

00:59

01:07

01:18

03:15

Solve each of the quadrati…

02:38

01:23

01:30

01:16

01:45

01:28

Solve each equation using …

01:33

02:12

01:04

Use the quadratic formula …

02:02

02:25

00:48

The first subtract five from both sides of this equation and it becomes x squared plus five X minus five equals zero. Next we identify the conversion cells, a echoes one, vehicles, five and C equals minus five. Next we substitute A B and C with their values into the formula that denominators to in the numerator is minus five plus of minors, the square root of five squared minus four times one times minus five, which equals minus 5% miners. The square root out 45/2. And if we we use a calculator, their approximate values uh minus 5.854 and 0.5854

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