If |x + 1| = 6, what are the possible values for x?
A.) -5 and 7 B.) -1 and 1 C.) 5 and -7 D.) 5 and -5 E.) 5 and 7
Absolute value is the distance away from zero.
|x + 1| = 6 x + 1 = 6 or x + 1 = -6 {if (x + 1) is 6 away from zero, then (x + 1) could be 6 or -6} x = 5 or x = -7 {subtracted 1 from each side of each equation} C.) - Algebra House
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