contestada

PLEASE HELP I NEED TI GO TO BED AND ITS 12 am! Select the ordered pairs that are solutions to the inequality 2x-3y greater than or equal to 12

(1,-3)
(8,1)
(3,2)
(-2,-6)
(2,3)
(1,8)
(-3,1)

Respuesta :

s1m1
(8,1);((-2,-6)

2•8-3•1>=12
16-3>=12
13>=12

2•(-2)-3(-6)>=12
-4+18>=12
14>=12
(8,1)

(2 x 8) - (3 x 1) = 16 - 3 = 13

(-2,-6)

(2 x -2) - (3 x -6) = -4 + 18 = 14