WebApr 16, 2024 · A closed circle indicates “greater than or equal to” or “less than or equal to,” while and open circle indicates “greater than” or “less than”. We can tell from the … WebThe numbers that are less than -1 are -2,-3,-4, etc., so the arrow will point down to the left. Here is a summary of how to graph inequalities: 1) Draw a number line. 2) Put either an open circle or a closed dot above the number given. For ≤ and ≥ , use a closed dot to indicate the number itself is part of the solution.
What do open and closed circles mean on a line graph?
WebThis point is often called the end point of the solution. A closed, or shaded, circle is used to represent the inequalities greater than or equal to (≥) ( ≥) or less than or equal to (≤) ( … WebNotice, the 1st part of the blue line tells you -10<=x. This means "x" can equal 10 or be larger than 10. Since "x" can equal -10, use a closed circle. On the opposite end, it tells you x<-2. Now "x" must be less than -2. It can't equal -2. This is when you use the open circle. Hope this helps. green twig fracture
Worked example: graphing piecewise functions - Khan Academy
WebOpen circles are used for numbers that are less than or greater than (< or >). Closed circles are used for numbers that are less than or equal to and greater than or equal to … WebDecide if it needs an open circle or a closed circle; < or > would need an open circle \leq or \geq would need a closed circle. Indicate the solution set with a straight line to the left hand side or right hand side of the number or with a straight line between the circles. E.g. Represent x < 3 on a number line. An open circle needs to be ... WebMar 26, 2024 · A closed, or shaded, circle is used to represent the inequalities greater than or equal to (≥) or less than or equal to (≤) . The end point is part of the solution. An open circle is used for greater than (>) or less than (<). Does an open dot mean equal to? 1) Draw a number line. 2) Put either an open circle or a closed dot above the ... green tweed sectional