LearnAlgebra foundationsAbsolute values

Problem set 1

  1. |x| = 100. What are the values of x?
  2. |x| = 0. What are the values of x?
  3. |t| - 5 = 20. What are the values of t?
  4. |x| + 25 = 20. What are the values of x?

Problem set 2

  1. 2|x| - 5 = 15. What are the values of x?
  2. 3|z| + 25 = -2|z| + 10. What are the values of z?

Problem set 3

  1. |x| < 5. Show on number line the values of x.
  2. |x| < -5. Show on number line the values of x.
  3. |x| \ge 5. Show on number line the values of x.
  4. |x| \ge 0. Show on number line the values of x.
  5. |x| \ge -5. Show on number line the values of x.

Problem set 4

  1. 0 \le |x| \le 5. Show on number line the values of x.
  2. 0 < |x| \le 5. Show on number line the values of x.
  3. 2 < |x| < 5. Show on number line the values of x.
  4. 10 \le |x| < 5. Show on number line the values of x.