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Grade 9 · Algebra 1

Rational expressions

220 problems in this skill, each with a solver-verified answer key. Answers are checked the moment you submit — with a hint if you want one and a worked solution afterwards.

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

  1. Warm-up

    Evaluate the rational expression −3x+9x−2\dfrac{-3x + 9}{x - 2} when x=−4x = -4. Give your answer as a fraction in lowest terms.

  2. Warm-up

    Evaluate the rational expression −5x−9x−1\dfrac{-5x - 9}{x - 1} when x=−2x = -2. Give your answer as a fraction in lowest terms.

  3. Warm-up

    Evaluate the rational expression 2x−2x+3\dfrac{2x - 2}{x + 3} when x=5x = 5. Give your answer as a fraction in lowest terms.

Problems shown under their original terms: Generated (template, solver-computed).

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