Respuesta :


[tex]5x < 4 = x < 4 \div 5 \\ c \: and \: d \: are \: correct \\ [/tex]
A. No
3(2) -2 < 2 -2(2)
6 -2 < 2 -4
4 is not less than -2

B. No
3(1/2) -2 < 2 -2(1/2)
3/2 -2 < 2 -1  ((or, 1.5 -2 < 2 -1))
-1/2 < 1      ((or, -0.5 < 1))

C. Yes
3(-3) -2 < 2 -2(-3)
-9 -2 < 2 +6
-11 < 8

D. Yes
3(2/3) -2 < 2 -2(2/3)
6/3 -2 < 2 -4/3
2 -2 < 2 -4/3     ((or, 2 -2 < 6/3 -4/3))
0 < 2/3

Otras preguntas