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

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

09-04-2020

A is only half true, but all others are true

Answer Link

Otras preguntas

A jewelry store received a package of rings that is 16 in long 10 in wide and 12 in high. The package contains 1 in cubes that each holds one ring. How many rin

how does the dilation affect the length of line segments

how do you compare 1/5 and 0.210

Is 996 in equal greater or less than 74 ft

what is the mean of Jane's quiz scores; 82,64,73,91,85

what is five thirds of a right angle

How to spell 6007200 in word form

A well-stocked first-aid kit should include which of the following items? A. A bottle of adult multivitamins B. Sterile gauze in assorted sizes C. A

The table below shows the number of marbles of different colors in a bag: Marble Experiment Color of Marbles Number of Marbles Red 5 White 8 Black 2 Deja

usian bolt is considered to be te fastest person on Earth. He holds the record for the fastest 100 m, which he ran in 9.58 seconds in 2009. We'll assume that Bo