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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics
2.58 Conjugate Radical

If the product of two mixed surds a + b and a - b, where a and b are rational numbers is a rational number. then a + b and
a - b are called conjugate radicals. They are conjugate to each other.

Example:
Write the conjugate of 3 + 22.
Solution:
3 - 22 is the conjugate of 3 + 22.


Directions: Write the conjugate radicals of the given radicals. Also write at least ten examples of your own.
Q 1: Write the conjugate of 3 - 27.
3 + 27
3 - 27

Q 2: Write the conjugate of 6 - 7.
6 - 7
6 + 7

Q 3: Write the conjugate of 4 + 72.
4 + 72
4 - 72

Q 4: Write the conjugate of 3 + 62.
3 - 62
3 + 62

Q 5: Write the conjugate of 3 + 47.
3 + 47
3 - 47

Q 6: Write the conjugate of 3 - 5.
3 + 5
3 - 5

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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