Rational Exponents and Equations

Rational Exponents and Equations

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

In this video, Anil Kumar explains how to solve equations with rational exponents. The problem given is 5 minus x to the power of 3/2 minus 1 equals 27. The video covers rewriting the equation, solving it step-by-step, and verifying the solution using a calculator. The solution involves manipulating the equation to isolate x and checking the result by substituting back into the original equation. The video emphasizes understanding the process of solving such equations and verifying the solution for accuracy.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic discussed in the video?

Understanding logarithms

Graphing quadratic functions

Solving equations with rational exponents

Solving linear equations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the given equation?

Subtracting 1 from both sides

Adding 1 to both sides

Multiplying both sides by 2

Dividing both sides by 5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After adding 1 to both sides, what does the equation become?

5 - x = 28

5 - x = 4

5 - x = 8

5 - x = 27

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cube root of 8?

3

4

2

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you verify the solution using a calculator?

By calculating 8 to the power of 1/2

By calculating 8 to the power of 2/3

By calculating 8 to the power of 3/2

By calculating 8 to the power of 1/3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 8 to the power of 2/3?

2

3

4

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final value of x in the equation?

2

3

1

0

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