Cool math fractal

math image

math image

pre-algebra help lessonsalgebra help lessonsprecalculus / calculus help lessonsmath anxiety survival guidegeometry math artmath and jigsaw puzzlesCoolmath booksother math stuff
math help lessonsmath practice problemsmath gamesmath dictionarygeometry trigonometry reference area
teacher's areaparent's areaCoolmath 4 kidsSpike's Game ZoneFinance FREAKTotally Stressed OutScience Monster

Coolmath Algebra
Solving Absolute Value Equations and Inequalities Lesson 2 -
Absolute Value Equations
(page 1 of 4)
---- This algebra lesson explains how to solve absolute value equations

math image

Now available:  Coolmath Algebra books!  Part 1, Part 2 and Part 3 covering the Algebra you need from Algebra 1 through Precalculus Algebra (Beginning Algebra through College Algebra)

other Coolmath Books:  Coolmath Precalculus Review (the math you really need to survive Calculus 1) and Math Survival Guide (How to conquer math and deal with math anxiety)

line
Graphing Calculator Scientific Calculator << a new window will open for these
line
Let's start with something really simple...  If you keep this guy in your head and THINK, you'll always know how to do these.

Look at this guy:

| x | = 3

Think about it...  What could x be?

| -3 | = 3  or  | 3 | = 3

So, x = -3   or   x = 3

(We use an "or" since x can't be -3 and 3 at the same time.)

Get this guy stuck in your brain:

| x | = 3

x = -3  or  x = 3

Here's another one:

| x | = 5

What could x be?

| -5 | = 5  or  | 5 | = 5

So, x = -5   or   x = 5

 


TRY IT:

| x | = 7

What could x be?


Continued on the next page

 The printing and distribution and/or downloading of these lessons is strictly prohibited.

line
Graphing Calculator Scientific Calculator << a new window will open for these
line

.....:::::::::::::::  HELP SUPPORT COOLMATH  :::::::::::::::.....
:::::::  link to us   :::::::   advertise with us  :::::::  why we have ads  :::::::

Thanks for visiting Coolmath.com
© 1997-2010 Coolmath.com, Inc.