Radical Operation

Read the question carefully and choose the correct answer.

• A

• B

• C

• D

• 17√24 - 25

• 9√6

• 6√9

• -3√6

• A
• B
• C
• D

• A
• B
• C
• D

• x = -6
• x = 3
• x = -3
• x = 5±

• x = 49
• x = 53
• x = 45
• x = 18

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

Solve the radical equation. Don't forget to check your answers!

• x = -6

• x = 3

• x = 7/3

• x = -5

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

Question 8

• -6

• -3

• 6

• 15