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Home > AC > Chapter 9 > Lesson 9.3.2 > Problem 9-74

9-74.

Write the inequality that represents the -values highlighted on each number line below.  

  1. A number line scaled from negative 1 to 9. The endpoint of a line graph starts with a closed circle on 6 and continues with an arrow in the negative direction.

    The boundary point is .

    The arrow is pointing in the direction of numbers less than .

    The circle is filled in so the inequality includes .

  1. A number line scaled from negative 1 to 9. The endpoint of a line graph starts with an open circle on 1 and continues with an arrow in the positive direction.

    Follow the steps in part (a).

  1. A number line scaled from negative 1 to 9. The graph starts with a closed circle on 2 and is continuous until 7 where it is marked as an open circle.

    The highlighted -values are greater than or equal to less than .

  1. A number line scaled from negative 5 to 5. The graph starts with a closed circle on negative 3 and continues with an arrow in the negative direction. An open circle starts on positive 1 and continues with an arrow in the positive direction.

    Follow the steps in part (c).

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