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Lesson 2

1. Lesson 2

1.6. Explore 2

Mathematics 20-1 Module 5

Module 5: Radicals

 

Self-Check 1
  1. Consider the mixed radical . Which of the following could be added to or subtracted from ? What will be the sum or difference of the like terms?

    1. Answer

    2. Answer

    3. Answer

    4. Answer

  2. Simplify the following radicals and combine like terms.

    1. hint Answer

    2. hint Answer

  3. Simplify the following radicals and combine like terms.

    1. Answer

    2. Answer

    3. Answer

    4. Answer
Try This 2

 

When you multiply the radical by , will the answer be 6 × 3 or ?

  1. Predict what the answer will be.

  2. Design a way to test this and record your observations.

  3. Based on your test, develop a rule to describe this situation.

  4. Test your rule using different values.

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Share 2

 

Share the rule you developed in Try This 2 with a partner or group. How do your rules compare?

 

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Look for perfect square factors of the radicand that can be simplified.
Look for perfect square factors of the radicand that can be simplified.