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2-Precalculus:Homework:1.6:Notes
2-Precalculus:Homework:1.6:Notes
10
Mathematics
Undergraduate 1
01/25/2016

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Term
How do you solve a problem in this form?
|-ax|=|b|
Definition
1.) Set this problem as two problems.
-ax=b
and
-ax=-b
----
2.)Solve both equations for x.
----
3.)Set your solutions in a solution set.
----
Term
If "a" is a positive real number and if b is any algebraic expression, then
|b|=|a| is equivalent to what?
Definition
b=a
or
b=-a
Term
How do you solve a problem in this form?
|ax+b|-c=0
Definition
1.)Add "c" to both sides.
----
2.)Set the problem as two problems.
ax+b=c
and
ax+b=-c
------
3.)Solve both equations for x
------
4.)Set your solutions for x in a solution set.
-----
Term
How do you solve a problem in this form?
|(x^2)-b|=0
Definition
1.)Set the problem as
(x^2)=b
----
2.)There are two solutions
The squareroot of "b"
and
(The squareroot of "b")*(-1)
----
3.)Set both solutions in a solution set.
----
Term
How do you solve a problem in this form?
|ax-b|=c
Definition
1.)Set this problem as two problems
ax-b=c
and
ax-b=-c
----
2.)Solve both equations for x
----
3.)Set your solutions in a solution set.
----
Term
How do you solve a problem in this form?
|a-bx|=x-c
Definition
1.)Set the problem as two problems
a-bx=x-c
and
a-bx=(-x+c)
----
2.)Solve both equations for "x"
----
3.)Set both solutions in a solution set.
-----
Term
How do you solve a problem of this form?
(|ax| < b)
Definition
1.)Set the problem as
(-b < ax < b)
----
2.)Set the problem as two problems
(-b < ax)
and
(ax < b)
-----
3.)Solve both inequalities for "x"
----
4.)Set your solutions in a solution set ordered least to greatest.
----
Term
How do you solve a problem of this form?
(|ax-b|
Definition
1.)Set the problem as (-c
Term
How do you solve a problem of this form?
|a-bx|>c
Definition
1.)Set the problem as two problems
a-bx<-c
and
a-bx>c
----
2.)Solve both inequalities for "x"
----
3.)Set your solutions in interval notation
(-infinity,lowest solution) Union (greatest solution,infinity)
-----
Term
How do you solve a problem in this form?
|ax-b|=-c
Definition
There is no solution, an absolute value equation cannot equal a negative solution.
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