Negative and Fractional Indices

How else can you write  $\sqrt{x}$  ?

•  $x^{\frac{1}{2}}$  

•  $x^2$  

•  $x^{-2}$  

•  $x^{\frac{1}{4}}$  

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

1000^⅓ is the same as the cube root of 1000 =

• 10
• 333
• 300
• 100

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

64^⅓ =

• 4
• 8
• 6
• 21.3

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Evaluate

• 3

• 18

• 9

• 6

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

How else could you write  $4^{-2}$  ?

•  $16$  

•  $-16$  

•  $-\frac{1}{16}$  

•  $\frac{1}{16}$  

Tags

CCSS.HSN.RN.A.2

4^-½ =

• 2
• -2
• ½
• -½

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

(y⁹)^-2

• y¹⁸
• y¹¹
• 1/y¹⁸
• y⁹/2

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Which of the following is equivalent to the expression  $\frac{1}{2x^7}$  ?

•  $\left(2x\right)^{-7}$  

•  $\frac{1}{2}x^7$  

•  $\frac{1}{2}x^{-7}$  

•  $2x^{-7}$  

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

 $\frac{2}{x^3}=?$  

•  $2x^3$  

•  $2x^{-3}$  

•  $8x^3$  

•  $8x^{-3}$  

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify fully  $x^5\times x^{-2}=?$  

•  $x^3$  

•  $x^7$  

•  $x^{10}$  

•  $x^{-10}$