Rational Exponents

Which of the following is an expression in rational exponent?

• 1/2²

• 4^1/2

• 2/3^-2

• 5⁰

What is this symbol called:  $\sqrt{4}$  (ignore the 4) 

• radical

• radicand

• square root

• root

Tags

CCSS.HSN.RN.A.1

The 4 or anything under the symbol $\sqrt{4}$  is called

• radical

• radicand

• root

• index

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

We do not have to write the index if it is

• 2

• 1

• 3

• 0

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify $25^{\frac{1}{2\ }}$  

• 5

• 12.5

• 10, 15

• -5

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

• 7²
• 7^1/2
• 7^-2
• 7^-1/2

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

• 4^4/3
• 4^3/4
• 2^4/3
• 2^3/4

Tags

CCSS.HSN.RN.A.2

• 2^3/5
• -2^3/5
• 2^5/3
• 8⁵

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

• 5x^5/4
• 5x^-5/4
• (5x)^-5/4
• (5x)^-4/5

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

• (5x)^-2/1
• (5x)^2/1
• (5x)^-1/2
• (5x)^1/2

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2