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Absolute Value Videos 12 videos

Introduction to Absolute Value
11925 Views

Check out this video to learn more about absolute value and how it has no patience for negative signs.

Absolute Value Problem
7697 Views

We love doing absolute value problems because it means spending time with our good buddy, the number line. But don’t think we’ve forgotten abou...

Graphing Absolute Value Equations
881 Views

The easy way to remember the look of an absolute value graph is that they are always a V-shape... and “V” stands for value. Or for verisimilitu...

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CAHSEE Math 6.3 Number Sense 171 Views


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Description:

Number Sense: Drill Set 6, Problem 3. Of all the absolute values of the following numbers, which would be the greatest?

Language:
English Language

Transcript

00:03

And here's your shmoop du jour.

00:07

Of all the absolute values of the following numbers, which would be the greatest?

00:12

Here are the potential answers...

00:14

Before we spoil the ending and kill all the drama... why not hit pause and try to solve this one yourself first?

00:20

OK, this question is just testing whether

00:22

we can use a number line and do some simple conversions...

00:26

...er, these conversions...

00:28

...and that we know what absolute value means.

00:35

To refresh our memories... absolute value is just the quantity of units of any number

00:39

from 0 on the number line.

00:42

Doesn't matter whether we're going in a positive or negative direction -- it's

00:45

only about how far we travel. So let's start by just converting these

00:49

numbers into decimals, so they'll fit.

00:52

Look through the potential answers.

00:53

A is -1 tenth, or -.1, and it goes here on the line.

00:58

But since it's only the absolute value we care about, we'll put it on the positive side.

01:03

B is negative .05, but on the positive side of the line it goes here --

01:08

and is clearly less than .1.

01:11

C is .02 and goes here and yeah, if you haven't figured it out by now, we can ignore the minus signs.

01:18

And finally we have D at .01 and it goes here.

01:21

So the answer is A.

01:23

Point one is furthest away from the origin and has the biggest absolute value.

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