Lesson 1 You've come pretty far in your algebra studies, and now as you start learning more advanced algebra topics, you may see equations with absolute value expressions.

Writing inequalities algebra Absolute value inequalities Video transcript A carpenter is using a lathe to shape the final leg of a hand-crafted table.

A lathe is this carpentry tool that spins things around, and so it can be used to make things that are, I guess you could say, almost cylindrical in shape, like a leg for a table or something like that.

In order for the leg to fit, it needs to be millimeters wide, allowing for a margin of error of 2. Now, they want us to write an absolute value inequality that models this relationship, and then find the range of widths that the table leg can be.

So the way to think about this, let's let w be the width of the table leg. So if we were to take the difference between w andwhat is this? This is essentially how much of an error did we make, right? If w is going to be larger thanlet's say it'sthen this difference is going to be 1 millimeter, we were over by 1 millimeter.

If w is less thanit's going to be a negative number. If, say, w wasminus is going to be negative 1. But we just care about the absolute margin. So we just really care about the absolute value of the difference between w and This tells us, how much of an error did we make?

And all we care is that error, that absolute error, has to be a less than 2. And I'm assuming less than-- they're saying a margin of error of 2. So this is the first part.

We have written an absolute value inequality that models this relationship. And I really want you to understand this. All we're saying is look, this right here is the difference between the actual width of our leg and Now we don't care if it's above or below, we just care about the absolute distance fromor the absolute value of that difference, so we took the absolute value.

Now, we've seen examples of solving this before. So let me write this down. So this means that w minus has to be less than 2. So let's solve each of these.Infinite Algebra 1 covers all typical algebra material, over 90 topics in all, from adding and subtracting positives and negatives to solving rational equations.

Suitable for any class with algebra content. Free absolute value equation calculator - solve absolute value equations with all the steps. Type in any equation to get the solution, steps and graph. Symbolab; Solutions Graphing Calculator Practice problems (limited to one per topic) Subscribe to get much more: No ads;.

Absolute Value in Word Problems. Aligned To Common Core Standard: Grade 6 Numbers- leslutinsduphoenix.comC.7d Printable Worksheets And Lessons. Absolute Value Step-by-step Lesson- We start solving real life banking problems. While I was researching types of problems to write for these, I realized that health care and financial institutions are .

mathematical word problems are particularly at- tractive because Arithmetic word problems begin by describing a partial world Solve the equation and return the absolute value of x.

Figure 3: cal. Sep 01, · Check your Write an absolute value equation or inequality to describe each graph. Rates of Learning accommodated: *extra help and practice, transformations performed on an absolute value graph Write an equation or inequality to solye the problem.

1) 4x + 7y 1 6, (—4, 1). Solve the above equations for x to find two values of x that make the left side of the equation equal to zero. x = -2 and x = 3. Both values satisfy the condition x 2 ≥ 4 and are solutions to the given equation.

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Absolute Value Word Problems