Khan Academy Rationals and Exponents

Khan Academy Rationals and Exponents

7th - 8th Grade

38 Qs

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Khan Academy Rationals and Exponents

Khan Academy Rationals and Exponents

Assessment

Quiz

Mathematics

7th - 8th Grade

Practice Problem

Hard

CCSS
HSN.RN.A.2, 8.EE.A.1, HSA.APR.A.1

Standards-aligned

Created by

Barbara White

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38 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write in exponential form

∛x⁷ = (x7)1/3

x⁷∕ ³

x3⁄7

3x⁷

7x³

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write in exponential form

√x⁵ =( x5)1/2

X¹∕ ⁵

X ²⁄⁵

X⁵⁄ ²

X⁵

Tags

CCSS.HSN.RN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write in exponential form

∜(3x)³ = (3x)(3*1/4)

3x³⁄ ⁴

(3x)³∕ ⁴

(3x)⁴⁄ ³

3x⁴⁄ ³

Tags

CCSS.HSN.RN.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write as a radical expression

y²⁄ ³= (y2)1/3

2y³

√y³

∛y²

3y²

Tags

CCSS.HSN.RN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write as a radical expression

y¹⁄ ³

The 1/3 power equals the cube root.

∛y

√y

1∕ 3y

Tags

CCSS.HSN.RN.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify

x²⁄ ³⋅x¹⁄ ³

add the exponents

2x

x²⁄₉

x

Tags

CCSS.8.EE.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:

x⁻ ¹⁄ ² ⋅ x⁻¹⁄ ⁴

add the exponents

-x¹∕ ⁶

x ³∕ ⁴

1∕ x³⁄⁴

x¹∕ ⁸

Tags

CCSS.8.EE.A.1

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