Glory Closed Dot On Number Line

The open circle at a y-value means that is not a value of the function when you plug in x.

Closed dot on number line. 2 Put either an open circle or a closed dot above the number given. 1 Draw a number line. For and use an open circle to indicate the number itself is not part of the solution.

Notice the closed and open circles. You can put this solution on YOUR website. Number line with an open dot at 2 with shading to the left and another open dot at 8 with shading to the right.

The second inequality is x-3. Number line with closed dots at 2 and 8 with shading between the 2 and the 8. Beside above what does an open dot mean on a graph.

These number lines are the perfect size to be glued into the front of your class maths books for quick and easy reference when counting. 2 Put either an open circle or a closed dot above the number given. Interval notation uses a parenthesis for an open endpoint and a square bracket for a closed endpoint.

The number line should now be divided into 2 regions -- one to the left of the point and one to the right of the point Next pick a point in each region and test it -- see if it satisfies the inequality when plugged in for the variable. For and use a closed dot to indicate the number itself is part of the solution. How to tell when is the number a closed dot or open dot.

For example f14 since that is where the solid circle is. Now an inequality uses a greater than less than symbol and all that we have to do to graph an inequality is find the the number 3 in this case and color in everything above or below it. Use a hollow dot for.