Lesson Example Discussion Quiz: Class Homework |
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. |
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? |
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