Real Numbers 4 HW 2 ( Grade - 9A)

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In a rationalization process, what do we rationalize?

• Numerator
• Denominator
• Both numerator and denominator
• None of these

Which of the following is equal to 1/√5?

• 1/5
• √5/5
• √5
• 5

Which of the following is equal to √3/√5?

• 5/√15
• √15
• 15
• √15/5

Which of the following is equal to √18?

• 2√8
• 2√3
• 3√2
• 3√3

Which of the following is equal to 2/ (2−√2)?

• 2√2
• 4√2
• 2
• 2 + √2

Which of the following is equal to 3 /(√5−2)?

• √5 + 2
• 3(√5 + 2)
• √5 − 2
• 3(√5 − 2)

Which of the following is equal to (√3+√2) / (√3−√2)?

• 5 + 2√6
• 5 - 2√6
• 5√6
• 2√6

Which of the following is the conjugate of 3 + √6?

• 3 - √6
• 3 + √6
• 3√6
• √6

Which of the following is equal to 14 /√7?

• 7
• 2√7
• √7
• 7√7