Radicals and Complex Numbers Review

Find the square root
sqrt(-361)

• -19
• 19
• -180
• Not a real number

Find the square root
-sqrt(256)

• 16
• -128
• -16
• Not a real number

Tags

CCSS.8.EE.A.2

Find the square root 
sqrt(1/25)

• 1/625
• 5
• 1/5
• 25

Tags

CCSS.8.EE.A.2

Find the square root
-sqrt(1/100)

• -1/10,000
• 1/10
• Not a real number
• -1/10

Tags

CCSS.8.EE.A.2

Find the root. Assume that all variables represent positive numbers.
sqrt(y^10)

• y^(sqrt(10))
• y^5
• 5*sqrt(y)
• y^10

Find the root. Assume that all variables represent positive numbers.
sqrt(16x^8)

• 16x^4
• 4x^4
• (x^4)(sqrt(4))
• 4x^8

Find the root. Assume that all variables represent positive numbers.
sqrt((x^6)(y^10))

• (x^4)(y^8)
• (x^3)(y^10)
• (x^6)(y^5)
• (x^3)(y^5)

Find the root. Assume that all variables represent positive numbers.
sqrt((100(m^10)(n^18))

• 50(m^5)(n^9)
• 10(m^5)(n^9)
• 50(m^8)(n^16)
• 10(m^8)(n^16)

Use the product rule to simplify the radical:
sqrt(44)

• 22
• sqrt(44)
• 4sqrt(11)
• 2sqrt(11)

Use the product rule to simplify the radical:
sqrt(150)

• 15sqrt(2)
• 25sqrt(6)
• 5sqrt(6)
• 10sqrt(3)