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If \(|2z| - 1 \ge 2,\) which of the following graphs could be a number line representing all the possible values of z?
Problem Solving
Re: If \(|2z| - 1 \ge 2,\) which of the following graphs could be a number line representing all the possible values of
Step 1: Simplifying the inequality
|2z| -1 ≥ 2
Adding 1 to both the sides
|2z| ≥ 3
hence, 2z ≥ 3 and 2z ≤ -3
= z ≥ 3/2 and z ≤ -3/2
= z ≥ 1.5 and z ≤ -1.5
A is correct
- by kapil.1
Thu Oct 01, 2020 9:32 am- Forum: Problem Solving
- Topic: If \(|2z| - 1 \ge 2,\) which of the following graphs could be a number line representing all the possible values of z?
- Replies: 1
- Views: 434