
Simplifying Expressions with Negative Rational Exponents

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in simplifying an expression with a negative rational exponent?
Use the negative exponent property to rewrite it with a positive exponent.
Add one to the exponent.
Convert the expression to a decimal.
Multiply the expression by zero.
Tags
CCSS.HSN.RN.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When converting a rational exponent to radical form, what does the denominator indicate?
The index of the radical.
The exponent of the expression.
The base of the expression.
The coefficient of the expression.
Tags
CCSS.HSN.RN.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of 9 raised to the power of negative three halves?
1/27
1/9
1/3
27
Tags
CCSS.8.EE.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to keep negative bases in parentheses when raising them to a power?
To ensure the base is positive.
To avoid confusion with multiplication.
To simplify the expression.
To correctly apply the exponent to the entire base.
Tags
CCSS.HSN.RN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of negative eight raised to the power of negative four thirds?
1/8
1/16
1/4
16
Tags
CCSS.8.EE.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of raising negative two to the fourth power?
-8
16
8
-16
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't the fourth root of negative 81 be simplified over the real numbers?
Because negative 81 is not a perfect square.
Because there is no real number that raised to the fourth power equals negative 81.
Because the base is too large.
Because the exponent is not an integer.
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