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

9/10 divided by (1/10 plus 2/5)

Taylor wants to make 2 1/2 times the quantity given in a recipe. The recipe calls for 1 3/4 cups of flour. How much flour will Taylor need?

what do you call two ratios that have the same value

It takes Akira 10 minutes to make a black and white drawing and 25 minutes for a color drawing. On Saturday he made a total of 9 drawings in 2 hours. Write an

solve the missing measure of a square, when P=76inFormula: P=4s

what is x3+3x2-x-3 factor by grouping

Taylor wants to make 2 1/2 times the quantity given in a recipe. The recipe calls for 1 3/4 cups of flour. How much flour will Taylor need?

9/10 divided by (1/10 plus 2/5)

Taylor wants to make 2 1/2 times the quantity given in a recipe. The recipe calls for 1 3/4 cups of flour. How much flour will Taylor need?

9/10 divided by (1/10 plus 2/5)