Algebra 1 - Simplifying Radical Expressions

What is the result of multiplying the square root of 4 by the square root of 9?

• 5

• 6

• 13

• 36

Which of the following numbers is a perfect square?

• 24

• 36

• 40

• 50

Simplify the radical expression √27.

• 3√3

• 9√3

• 3√9

• 27

When simplifying a radical expression, under what condition do absolute value bars appear around the simplified variable?

• When the original exponent is odd and the simplified exponent is even.

• When the original exponent is even and the simplified exponent is odd.

• When both the original and simplified exponents are even.

• When both the original and simplified exponents are odd.

Simplify the expression: sqrt(x^4)

• |x^2|

• x^2

• x * sqrt(x)

• |x| * sqrt(x)

Simplify the expression: sqrt(x^3)

• x * sqrt(x)

• |x| * sqrt(x)

• x^2 * sqrt(x)

• |x^2| * sqrt(x)

Simplify the radical expression: sqrt(18x^3 y^4)

• 3x|y^2|sqrt(2x)

• 3xy^2 sqrt(2x)

• 3x^2y^2 sqrt(2x)

• 3|x|y^2 sqrt(2x)