Learn how to evaluate a number raised to a negative rational power

Learn how to evaluate a number raised to a negative rational power

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to evaluate 81 raised to the negative 1/4. It begins by rewriting the expression with a positive exponent and explores different ways to express 81, such as 9 squared and 3 to the fourth power. The tutorial demonstrates simplification and verification of the solution, and also explores an alternative method to solve the problem, showing that both methods yield the same result.

Read more

5 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

How can the expression 81 raised to the negative 1/4 be rewritten?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the fourth root of 81?

Evaluate responses using AI:

OFF

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Can you express 81 as a power of another number?

Evaluate responses using AI:

OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you simplify the expression 1 over 9 to the 1/2?

Evaluate responses using AI:

OFF

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the equivalent of 9 to the 1/2 power?

Evaluate responses using AI:

OFF