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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics
2.72 Multiplication of Radicals - III


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Expand (2√2 + √7) (2√5 - √8).
4√10 - 8 + 2√35 - 2√14
4√8 - 10 + 2√35 - 2√14
4√10 - 8 - 2√35 - 2√10

Q 2: Expand (√3 + √7) (√6 - √5).
3√2 - √15 + √22 - √12
√38 - √57 + 4 - 2√6
3√2 - √15 + √42 - √35

Q 3: Expand (√3 + √5) (√7 - √3).
√21 - 3 + √35 - √15
3 + √6 + √15 + √10
√21 - 3 + √35 - √5

Q 4: Expand (3√5 + 6√7) (3√5 - 6√7).
-207
45 + 18√35 - √22 - 252
45 - 18√35

Q 5: Expand (√19 + √8) (√2 - √3).
√101 - √57 + 4 - 2√6
√38 + √57 + 4 - 2√6
√38 - √57 + 4 - 2√6

Q 6: Expand (2√2 + 3√7) (2√2 + 3√6).
10 + √10 - √22 + √35
8 + 12√2 + 6√14 + 9√12
8 + 12√3 + 6√14 + 9√42

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Question 8: This question is available to subscribers only!


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