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Archive/ Maths

Distance on the Number Line

Maths / Difficulty Tier 3, Dimension. Requires several pieces of reasoning to be organised into a solution.
About Tier 3 - Dimension

Requires several pieces of reasoning to be organised into a solution.

Difficulty describes the challenge, not the solver. It is a Society guide rather than a formal academic level.

The tier is a Society guide to the amount of reasoning, technical work and insight a problem is expected to require. Your experience may vary depending on the topic and your background.

Distance on the Number Line

Algebra / Absolute Value Equations - 6-8 min

Find the product of all real solutions of the equation below. Each absolute value measures a distance along the number line.

∣x−2∣+∣x+1∣=7|x-2|+|x+1|=7
Assumptions

The unknown x is real, and each absolute value denotes ordinary distance on the real number line.

Enter your answer as one number: the product of the solutions.

Exact value required.

More Options for Distance on the Number Line

Collection question · Revision 1 · ID: absolute-distance