Question

Solve the inequality. 3 + |t + 4| < 10
(Points : 1)
–3 < t < 11
–11 < t < 3
t < 3 and t > 11
t > 3 or t < –11


Question 5.5. Select the graph that represents the solution of the open sentence.

4|p| – 7 < 9


A.http://static.k12.com/eli/ecollege/589/5_31555/2_41673_5_31616/074991e040651d4472910c4e96f656488b3b2670/media/83d6b01c32fc3f747e4c3eb10149a36fdac723b7/mediaasset_243097_1.gif
B.http://static.k12.com/eli/ecollege/589/5_31555/2_41673_5_31616/074991e040651d4472910c4e96f656488b3b2670/media/58d653176cb89258b5f7f5f97e3310ba3122bea5/media

Answer 1

C. http://static.k12.com/eli/ecollege/589/5_31555/2_41673_5_31616/074991e040651d4472910c4e96f656488b3b2670/media/71f5658b3e89237a6ffb1c06b85937c402775707/mediaasset_243099_1.gif
D. http://static.k12.com/eli/ecollege/589/5_31555/2_41673_5_31616/074991e040651d4472910c4e96f656488b3b2670/media/d319f5d93b0265ca26cefca3329d3b77da0daeb3/mediaasset_243098_1.gif

Answer 2

My Answers
1.a
2.d

Answer 3

3 + | t + 4 | < 10 -- subtract 3 from both sides
| t + 4 | < 7

-7 < t + 4 < 7 -- subtract 4
-7 - 4 < t + 4 - 4 < 7 - 4
-11 < t < 3 (B)
=================
4 |p| - 7 < 9 -- add 7
4 |p| < 16 -- divide by 4
|p| < 4
p < 4 and p > -4 (C)