Q2 M6 - OPERATIONS ON RADICAL EXPRESSIONS (ADDITION & SUBTRACTIO

What is the sum of the radical expression 6√3 + √3 ?

• 6√6
• 7√3
• 16√21
• -16√21

Which of the following is the difference of 5√2 − 2√18 ?

• −√2
• √2
• -11√2
• 2√2

What is the combined form of 8√𝑦^3 − 6√𝑦^3 + 2√𝑦^3 ?

• −4√𝑦^3
• 2√𝑦
• 16√𝑦^3
• 4√𝑦^3

Which of the following radical expressions are similar ?

• √21^4, √21^3, √21
• 𝑎√3, 3𝑎√3, 2𝑎√3
• √𝑥, √𝑦,√𝑧
• 4√5, 5√6, 6√7

What is the simplified form of the radical expression 10√28 + 5√63 − 7√7 ?

• 16√21
• -28√7
• 28√7
• -16√21

What is the result when 5𝑥 √3𝑦^5/4 − 𝑦√243𝑥^4𝑦^4 + √48𝑥^4𝑦^5/4 are combined together?

• 4𝑥𝑦√3𝑥^4
• 3𝑦√4𝑥𝑦^4
• 4𝑥𝑦√3𝑦^4
• 3𝑥 √4𝑥𝑦^4

Which of the following is the difference of 8√5^3 − 12√5^3 ?

• −4√5
• 10√5
• 6√5
• 4√5^3

What is the difference of the radical expression 20√5^3 − 15√5^3 ?

• 5√10^3
• −5√5
• 35√5^3
• -5√5^3

What is the combined form of −2√𝑎^4 + 10√16𝑎^4 − 5√𝑎^4 ?

• −12√18𝑎^4
• 7√𝑎^4
• 17 √4𝑎^4
• 13√𝑎^4

Which of the following is the sum of 5√8𝑎^2 + 3𝑎√18 ?

• 8𝑎√26
• 19𝑎√2
• 5√8𝑎^2 + 3𝑎√18
• 15√2𝑎