barbarajean1314 barbarajean1314
  • 14-02-2018
  • Mathematics
contestada

Which statement is NOT true? If x2 = 1, then x = 1. If x = –1, then x2 = 1. If x = 1, then x2 = 1. x2 = 1 if and only if x = 1 or x = –1.

Respuesta :

susanwiederspan
susanwiederspan susanwiederspan
  • 20-02-2018
These are all true, except A is only half true.

The square root of 1 is +/- 1, so if [tex]x^2=1[/tex], then [tex]x=1, x=-1[/tex].
Answer Link
tunerrcarz
tunerrcarz tunerrcarz
  • 09-04-2020

A is only half true, but all others are true

Answer Link

Otras preguntas

Why does your body need both movable and immovable joints?
Which comparison of these elevations is true? Amsterdam: 0 feet Colombo: 23 feet Boston: 20 feet
what do the data points represent outside of a production possibility curve
Which sentence uses a prepositional phrase? Given the economic and political unrest, the family decided to emigrate. Ruling brutally, the harsh dictator caused
The major cause of "dead zones" in seas and oceans is?
hephaestus is a patron of what city
1 7/3 in simplest form
What is measured in the radioactive dating of organic materials?
Help I got 20 questions and I'm on question 13!! Find the best word to complete the sentence. Despite military leaders' disbelief that Joan of Arc could lead t
Which of the following is not a sign of a bias website?