Step-3

Title: Representing Radicals with Exponents

Grade: 8-b Lesson: S2-L1

Explanation: Hello Students, time to practice and review the steps for the problem.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step Type Explanation Answer

1

Problem

Change the following radical expressions to exponential expressions \$root(3)(xy)^4\$.

2

Step

Understand the exponent notation: The expression \$root(3)(xy)^4\$ is in the form

\$root(n)(a)^m\$, where a = xy, m = 4, and n = 3

3

Formula:

Apply the property of radicals and exponents:

\$root(n)(a)^m = a^(m/n)\$

4

Step

Substitute the components a = xy, m = 4, and n = 3 into the property

\$root(3)(xy)^4 = (xy)^(4/3)\$

5

Step

The exponential form of the radical expression \$root(3)(xy)^4\$ is \$(xy)^(4/3)\$.

6

Choice.A

This option correctly represents the conversion. From \$root(3)(xy)^4\$ to \$(xy)^(4/3)\$, where 4 is the exponent inside the radical and 3 is the index of the radical

\$(xy)^(4/3)\$

7

Choice.B

This option has the indices and exponents swapped. It represents \$root(4)(xy)^3\$ rather than \$root(3)(xy)^4\$

\$(xy)^(3/4)\$

8

Choice.C

This option has the base and exponent reversed. It represents \$(4/3)^(xy)\$, which is not equivalent to \$root(3)(xy)^4\$

\$(4/3)^(xy)\$

9

Choice.D

This option has an incorrect expression structure. It seems to incorrectly combine x, 4, and y without proper exponentiation or radical notation

\$(x4)^(3/y)\$

10

Answer

Option

A

11

Sumup

Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5


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