Radicals and Fractional Powers

• ∛y

• y³

• √y

• 1∕ 3y

Tags

CCSS.HSN.RN.A.2

• it disappears

Tags

CCSS.HSN.RN.A.2

Write in exponential form

∛x⁷

• x⁷∕ ³

• x3⁄7

• 3x⁷

• 7x³

Write in exponential form

√x⁵

• X¹∕ ⁵

• X ²⁄⁵

• X⁵⁄ ²

• X⁵

Tags

CCSS.HSN.RN.A.2

What is the value of 27^⅓?

• 27

• 9

• 3

• 1/3

This expression can be written as the following exponent on x.

• x^1/5

• x^-1/5

• x^-5

• x⁵

Tags

CCSS.HSN.RN.A.2

• radical

• fractional exponent

• base

Tags

CCSS.HSN.RN.A.2

• 7³
• 7
• 7^3/4
• 7^4/3

Tags

CCSS.HSN.RN.A.2

Rewrite x^3/4 in radical form

• ³√(x)⁴

• ⁴√(x)³

• ^x√(3)⁴

• 1/(³√(x)⁴)

Tags

CCSS.HSN.RN.A.2

What is a radical?

• an expression that uses a root, such as square root, cube root

Tags

CCSS.8.NS.A.1