jonelcabaldo
jonelcabaldo jonelcabaldo
  • 16-10-2020
  • Mathematics
contestada

solving quadratic equation by extracting square roots x2 - 100 = 0 ​

Respuesta :

LyleBoyce
LyleBoyce LyleBoyce
  • 16-10-2020

Answer:

[tex]x=+-10[/tex]

Step-by-step explanation:

[tex]x^2=100\\\sqrt{x^2}=\sqrt{100}\\x=+-10[/tex]

Answer Link
anup12222gupta
anup12222gupta anup12222gupta
  • 16-10-2020

Step-by-step explanation:

x^2 -100=0

or, (x)^2-(10)^2=0

or, (x+10)(x-10)=0

Either, X+10=0

or, X -10

OR, x-10=0

or, X=+10

Therefore, X= -10 , +10

OR,

X=+-10.

Hopes it helps you ☺️☺️

Thank you ☺️☺️

Answer Link

Otras preguntas

evaluate the expression (-2) - ( -5)
 which European country originally settled Manhattan Island, today's New York City?
does the constitution right to vote allow criminals to vote?
En mi otra escuela, la comida de la cafetería era muy mala. las hamburguesas. O No me gustaban O No me gustaba O No me gusto
Amoeba sisters:video recap biomolecules
3. For the sequence defined by tn= 3n + 8, find each indicated term. a) t1 b) t7 c) t14
What is included in the key element of a democratic government?
is the sentence a Value/Thematic Statement or Explanation Which one is the answe "Since Sean was short for his age, Mike and Malik just assumed that Sean could
C. Choose the word or phrase that best completes the sentence. 1. "I'm going to the bank now." "Really?......with you." A. I'm going to come B. I'll come C. I c
Find the area of this circle please…Use 3 for pi….Thanks