Question
Solve and graph the inequality. vert x+2vert geqslant 7 Choose the correct answer below. A. xgeqslant 5 B. -9leqslant xleqslant 5 C. xleqslant -9 or xgeqslant 5 D. xleqslant -7 or xgeqslant 7
Solution
4.1
(235 Votos)
Hannah
Veterano · Tutor por 11 anos
Resposta
To solve the inequality
, we need to consider two cases:Case 1:
In this case, we can subtract 2 from both sides of the inequality to isolate
:
Case 2:
In this case, we can subtract 2 from both sides of the inequality to isolate
:
Therefore, the solution to the inequality is
or
.The correct answer is C.
or
.