Inequality Math Graph Number Line
The video begins by defining inequalities as taught in the KCSE curricu. Learn how to graph inequalities on a number line in this interactive math lesson for middle grades.
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Larry concludes that he must have shaded the number line in the wrong direction.
Inequality math graph number line. Subtract 12 on both sides. . Draw a number line and place an open circle at -5.
To graph a linear inequality. Solve the inequality 10ageq 50 graph the solution on the number line and write the solution in interval notation. To sketch the graph of a line using its slope.
Step 1 Write the equation of the line in the form y - mx b. Find the number on the other side of the inequality sign from the variable like the 4 in x 4. Answer Divide both sides of the inequality by 10.
Fill in the circle if and only if the. Just follow these steps. A closed point on a number line means the number is included in the solution.
Shade to the left of -5 to represent less than -5. So any real number less than or equal to 2 is a solution of the given equation. How to Graph Inequalities.
-3x 12 0. This math worksheet was created on 2014-12-08 and has been viewed 3 times this week and 172 times this month. We can graph inequalities on a number line to get a better idea of how theyre behaving.
In this video I explain how to easily graph and write inequalities in the KCSE exam. To begin you must simplify so that you isolate ie. Which best describes the situation.
-3x 12 0. Youll see negative numbers to the left of 0 0 0 and positive numbers to the right of 0 0 0. Sketch a number line and draw an open circle around that number.
X 4 or 8. However it does include hence getting a closed circle for that value and does not include. X 3 and x 8.
Step 4 Connect the two points with a straight line. To do this divide all of the members of the inequality by. -3x 12 - 12 0 - 12.
An inequality is like an equation but instead of an equals sign youll have one of these inequality signs. Well be graphing inequalities on number lines like this one. The solution set of the given inequality is - 2.
This algebra video tutorial provides a basic introduction how to graph inequalities on a number line and how to write the solution using interval notation. Improve your math knowledge with free questions in Graph inequalities on number lines and thousands of other math skills. Practice get feedback and have fun learning.
Displaystyle -2 leq x leq 5. Solving and graphing inequalities in one variable. It may be printed downloaded or saved and used in your classroom home school or other educational environment to help someone learn math.
Solving and graphing inequalities in one variable. Since the inequality represents one range of values between two end points both of which are included given the sign being less than or equal you know that whatever you answer it must be convertible to the form. A graph pointing in two different directions will us the word and.
Check work by substitution. If the variable is in the middle of two inequalities then you will use or. Now this inequality represents all of the numbers between 13 and 32.
At least eliminate any coefficients from it. Larry graphs the inequality x - 5 using the steps below. Displaystyle 4x - 6 leq 14.
Solve the following linear inequality and graph. Step 2 Locate the j-intercept 0b. Step 3 Starting at 0b use the slope m to locate a second point.
X -5 -5 -5 false.
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