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Limits

Grade 12

What this lesson shows

This function is undefined at x = 2. Nothing there at all. So… what happens right NEXT to it?

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

  1. lim(x→1) (x² - 1)/(x - 1)
    Show answer
    2
  2. lim(x→2) (x² - 4)/(x - 2)
    Show answer
    4
  3. After cancelling the common factor, (x² - 4)/(x - 2) simplifies to?
    Show answer
    x + 2
  4. Factor x² - 4
    Show answer
    (x - 2)(x + 2)

Practise this every day

Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.

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