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True or False: The solution of 1/2d-1≥-15 is d≥28.?

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please show number line diagram
asked Apr 21, 2014 in PRE-ALGEBRA by anonymous

1 Answer

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The inequality is (1/2)d - 1 ≥ - 15.

(1/2)d ≥ - 15 + 1

(1/2)d ≥ - 14

d ≥ - 14 * 2

d ≥ - 28.

The solution of the inequality is { d | d ≥ - 28 }.

Graph the solution set on a number line :

Note :

A dot means that this point is included in the solution set.

answered Apr 21, 2014 by lilly Expert

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