bnorthrop bnorthrop

10-11-2017
Mathematics

contestada

Absolute Value equations and equalities, please help
|x| + 5 = 18
a. 5 or -5
B. 13 or -13
C. 18 or -18
D. 23 or -23

|y +4| < 1
a. -5 < y< -3
b. -3 c. -4 d.1

Respuesta :

CrystalQueen CrystalQueen

10-11-2017

The first is B because 13 will automatically become positive and 13+5=18

The second is A because it examines all possible solutions

Hope this helps!

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