Square Roots Functions and Their Inverse

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

What is the side length of a square that has an area of 121?

• 11

• 60.5

• 30.25

• 14641

What is the side length of a square that has an area of 36?

• 9

• 18

• 6

• 1296

The area of a square is 117 square meters. Which best represents the length of a side of the square? 

• 10.8 m

• 11 m

• 10 m

• 11.2 m

Match the correct equation with the given graph.

Graph each function.

• 
• 
• 
• 

What is the equation of the function graphed?

• f(x) = (x-1)^1/2 + 2

• f(x) = 3(x-1)^1/2

• f(x) = 3(x+1)^1/2

• f(x) = 3(x+1)^1/2 + 2

What is the equation of the function graphed?

• f(x) = (x-2)^1/2 + 5

• f(x) = (x+5)^1/2 - 2

• f(x) = (x+2)^1/2 + 5

• f(x) = (x-2)^1/2 - 5

Which equation is shown graphed?

• y = 2√(x)

• y = −2√(x)

• y = −½√(x)

• y = ½√(x)