Pre-Calculus: Inequalities Help

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Pre-Calculus: Inequalities

In mathematics, an inequality is a statement about the relative size or order of two objects, or about whether they are the same or not.

The notation a < b means that a is less than b.
The notation a > b means that a is greater than b.
The notation a ≠ b means that a is not equal to b, but does not say that one is greater than the other or even that they can be compared in size.

In each statement above, a is not equal to b. These relations are known as strict inequalities. The notation a < b may also be read as "a is strictly less than b". In contrast to strict inequalities, there are two types of inequality statements that are not strict:

The notation a ≤ b means that a is less than or equal to b (or, equivalently, not greater than b)
The notation a ≥ b means that a is greater than or equal to b (or, equivalently, not smaller than b)
 
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  • Hundreds of video tutorials on inequalities make it easy for you to better understand the concept.
  • Hundreds of word problems on inequalities give you all the practice you need.
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Pre-Calculus: Inequalities Videos

Comparing Integers On A Number Line Using Inequalities
Video Clip Length: 5 minutes 4 seconds
Video Clip Views: 44810

inequalities, integers, number line, number sense, numbers
Inequalities Involving Absolute Value
Video Clip Length: 5 minutes 46 seconds
Video Clip Views: 30735

video, absolute value, absolute value inequalities, inequalities, solving absolute value inequalities, solving inequalities
Graphing Intersection Of Inequalities 2
Video Clip Length: 1 minute 49 seconds
Video Clip Views: 26457

graphing, graphing inequalities, graphs, inequalities
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Pre-Calculus: Inequalities Worksheets

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Pre-Calculus: Inequalities Word Problems

Victor`s goal is to earn $75 per week
Victor's goal is to earn $75 per week at his after-school job. Last month he was within $6.50 of his ...
100 fish are caught, tagged and released
100 fish are caught, tagged and released. Later, 70 fish are caught and 8 of them are ...
100 fish are caught, tagged and released
100 fish are caught, tagged and released. Later, 70 fish are caught and 8 of them are ...
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Pre-Calculus: Inequalities Practice Questions

0<-10x2+750x-9000
2x > -6 and x - 4 < 3
b + 8 > 15
x - 13 < 6
10 > 3(2N-1)-5(4N+3)
-9y + 9 < -3(2y - 5)
The absolute deviation of x from 6 is less than or equal to four.
2x-y<4
y-9 > 2y-4
y
How do you know if a value is a solution for an inequality?
-3x-6>15

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This Pre-Calculus page lists video tutorials, worksheets and word problems on inequalities topic.