chatarianesmit chatarianesmit

03-06-2018
Mathematics

contestada

Given the equation 2 square root x minus 5 equals 2, solve for x and identify if it is an extraneous solution.

Respuesta :

09-06-2018

[tex]\text{The domain}\\x-5\geq0\to x\geq5\\D:x\geq5\\\\2\sqrt{x-5}=2\ \ \ |:2\\\sqrt{x-5}=1\ \ \ |\text{square both sides}\\x-5=1^2\ \ \ \ |+5\\x=6\in D[/tex]

Answer Link

Otras preguntas

how did Mendel cross-pollinate flowers

How to simplify 40/48

why are agricultural products hard to grow in north alaska

Translate into an equation and solve. Twenty-one is three times the difference between three times a number, n, and five.

Solve each system of inequalities by graphing. x-2y<3 2x+y>8

Why do economists regard imperfect competition as undesirable? It leads to political dictatorships. It allows firms to be less efficient producers. It results i

Bismarck supported social insurance legislation in the german parliament to?

In Roman times most people lived in small cities, while during the Middle Ages most people lived in the countryside. All of the following are reasons for this c

Josephina likes the service she receives at her favorite cafe and wabts to leave a 20% tip. Her bill is $22.58. what tip should she leave .

What is the main idea of the first stanza of "Auspex"?