Friday
November 28, 2014

Homework Help: pre calc

Posted by Anonymous on Tuesday, September 8, 2009 at 2:45pm.

True or false:
a. |3x-5|=|2x+4| if and only if 3x-5=2x+4 or 3x-5= -(2x+4) ______
b. |2x+7|=-4 if and only if 2x+7=4 or 2x+7=-4 ______

how do you do these and what's the answer?
thanks

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

spanish - Yo ______ lavo ______ manos y ______ cara. ______ cepillo ______ ...
economics - Complete the following table for the firm below which is selling its...
Physics/Math - For the vectors a = (3.9 m)i + (4.8 m)j, and b = (5.4 m)i - (2.0 ...
please help - I have a question about disjunctions. The symbol "v" represents "...
Geometry - I have a question about disjunctions. The symbol "v" represents "or...
Geometry - I have a question about disjunctions. The symbol "v" represents "or...
Geometry repost - I have a question about disjunctions. The symbol "v" ...
Algebra - What is the rule?? INPUT OUTPUT ______ 12 9 ______ ______ 6 ______ 16 ...
Geometry - This is a geometry question about disjunctions. The symbol "v" ...
chemistry - Calculate the molarity of each ion in 0.300 M Na2SO4. Enter a zero ...

Search
Members