Simplifying Perfect nth roots

Front

What is a perfect nth root?

Back

A perfect nth root of a number is a value that, when raised to the power of n, gives the original number. For example, the perfect square root of 9 is 3, because 3^2 = 9.

Front

How do you simplify the square root of a perfect square?

Back

To simplify the square root of a perfect square, take the square root of the number. For example, √16 = 4.

Front

What is the cube root of 27?

Back

The cube root of 27 is 3, because 3^3 = 27.

Tags

CCSS.8.EE.A.2

Front

How do you express the nth root of a number in exponential form?

Back

The nth root of a number 'a' can be expressed as a^(1/n). For example, the square root of a is a^(1/2).

Tags

CCSS.HSN.RN.A.2

Front

What is the relationship between exponents and roots?

Back

Exponents and roots are inversely related. For example, raising a number to the power of n and then taking the nth root returns the original number.

Front

How do you simplify the expression √(a^2)?

Back

The expression √(a^2) simplifies to |a|, which is the absolute value of a.

Front

What is the fourth root of 16?

Back

The fourth root of 16 is 2, because 2^4 = 16.

Front

How do you simplify the expression ∛(x^3)?

Back

The expression ∛(x^3) simplifies to x.

Tags

CCSS.8.EE.A.2

Front

What is the perfect square of 5?

Back

The perfect square of 5 is 25, because 5^2 = 25.

Tags

CCSS.8.EE.A.2

Front

How do you simplify the expression √(x^4)?

Back

The expression √(x^4) simplifies to x^2.