Equations Inequalities And Problem Solving

When graphing on the number line, an open circle is for the symbols Did you know…We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities.

Graphing inequalities on the coordinate plane is not as difficult as you might think, especially if you know what to do!

In this tutorial, you'll see the steps you need to follow to graph an inequality.

This form is quite useful in creating an equation of a line if you're given the slope and a point on the line.

Watch this tutorial, and learn about the point-slope form of a line!

For example, to graph the linear equation x = 4, you would put a solid circle on the number 4 on the number line.

For the linear inequality x The shaded region accounts for the inequality part.To see if an ordered pair is a solution to an inequality, plug it into the inequality and simplify.If you get a true statement, then the ordered pair is a solution to the inequality.Remember, flip the inequality symbol whenever you divide or multiply by a negative number.Graphing linear inequalities requires a few more steps than graphing linear equations.In this tutorial you'll learn what an inequality is, and you'll see all the common inequality symbols that you're likely to see :) Knowing the definition for a compound inequality is one thing, but being able to identify one in a word problem or phrase can be an entirely different challenge.Arm yourself by learning some of the common phrases used to describe a compound inequality and an absolute value inequality.Recall that a linear equation has variables to the first degree only, and the variables are never squared, cubed, or taken to any other power.Your linear equations might have looked something like these: So, linear inequalities only have variables to the first power and have inequality symbols. Think back to when you last solved a linear equation. If you were given a problem such as x 2 = 6, you most likely looked at it and realized that you need to move the number 2 to the other side of the equation so that your variable is alone.Think about the linear inequality and what it says. The region above the line gives you y values that are larger, and so that is what gets shaded.Solving linear inequalities is very similar to solving linear equations.


Comments Equations Inequalities And Problem Solving

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