Radicals Rational

• y²z¹⁰√xy
• 20yz√xy
• xy²z¹⁰√y
• yz⁶√xy²z²

√18 + 11√2

22√5

11√20

14√2

• √18 + 11√2

• 22√5

• 11√20

• 14√2

Rewrite in radical form.

• A

• B

• C

• D

1)

• A

• B

• C

• D

• A
• B
• C
• D

• Step 1: divide both sides by 2
• Step 1: add 9 to both sides

• x = -6
• x = 3
• x = -3
• x = 5±

• A
• B
• C
• D

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 for x.

• 9 & -9

• 9

• -9

• Answer not given