Unit 3 Radical Extension

Write an expression for the perimeter in simplest radical form

• 2√21 in.

• 12√2 in.

• 2√8 + 8√2 in.

• They aren't like terms

Which is a fully simplified expression for the area of the rectangle?

• 6 m²

• 6√2 m²

• 18√3 m²

Learning Target: Reorder the following. (10 points)

• use properties

• to write

• of radicals

• equivalent expressions.

• I can

Suppose the length of the truck and trailer is given by the expression 8√50. If the trailer measures 7√32, which radical expression represents the remaining length for the truck's cab?

• 10√2

• 12√2

• 8√4

• √18

The base of a triangle is √75 cm and the height is √27 cm. What is the area of the triangle? Recall: A=1/2 bh

A square poster has an area of 81 square inches. What is the length of each side of the square?

• 3 inches

• 9 inches

• 20.25 inches

• 40.5 inches

Elliot has four square dog pens for the dogs he raises. Each pen has an area of 256 square feet. Two out of the four pens need their fencing replaced. Find the cost of refencing two out of the four pens if fencing costs $2.99 per foot.