Graphing inequalities gives us a picture of every one of the solutions. For example, if x>3 , then numbers such together 4, 5, and 6 space solutions, but there are a lot much more than these. What about decimals and higher numbers? A graph can give a picture of all these solutions. Right here is the graph that x>3 :As you have the right to see, over there is an arrow over all the numbers three and greater going towards the right. There is an arrow on the finish indicating that the answers continue through infinity. Notice that there is an open circle above the 3. This is open to present that the number 3 itself is no a solution (because 3 is not greater than 3), but that the answer start ideal after 3.Let\"s consider another example: just how would us graph x≤-1 ? Well, let\"s think what numbers are less than or equal to -1. Is -1 itself a solution? Yes, because the price is much less than or same to. Therefore, we room going to placed a hard dot over -1 rather of an open circle. This will suggest that -1 itself is a solution. Next, we\"ll have to decide which method the arrowhead points. The numbers that are less than -1 are -2,-3,-4, etc., so the arrow will allude down come the left.Either think about which numbers would be part of the solution. Or, as lengthy as the change is provided first, you can just look in ~ the symbolYou are watching: Open dot or closed dot Here is a an introduction of how to graph inequalities: For ≤ and ≥ , usage a closed dot to suggest the number chin is part of the solution.For , use an open circle to show the number itself is not component of the solution. 3)Choose which method the arrowhead should go. usage a circle due to the fact that the symbol is put this circle over the 6.1)Draw a number line2)Should we usage a period or a circle? Answer: 3)Should the arrow go down to the left or up to the right? due to the fact that the symbol is Does her graph look like this one? Practice.Answer: See more: Play That Song ( Train Play That Song Heart And Soul, Train'S “Play That Song”… Graph the following on a separate sheet of paper. Answers: 1)2)3)4)5) |

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