Key Features of Square Root Functions

What is the x-intercept of this function?

f(x) = √(x-2) - 4

• (-4,0)

• (4,0)

• (-18,0)

• (18,0)

What is the y-intercept of this function?

f(x) = √(2x+4)

• (0,2)

• (-2,0)

• (0,-2)

• It doesn't have one

What is the endpoint of this function?

f(x) = √(x-2) +4

• (2,4)

• (4,2)

• (-4,2)

• (-2,4)

What is the parent function of square root functions?

• f(x) = x
• f(x) = √x
• f(x) = -√x
• f(x) = x²

What is the domain of this function?

f(x) = √(x-3) + 4

• [3,∞)

• (-∞,3]

• (∞,3]

• [4,∞)

What is the range of this function?

f(x) = √(x-1) - 5

• [1,∞)

• (∞,1]

• [-5,∞)

• (∞,-5

What is the first step in solving this equation?

• Add 6 to both sides

• Square both sides

• Take the square root both sides

• x = 5

• x = -6

• x = 14

• x = -1

• x = 81

• x = -9

• x = 9

• x = -81

• No solution

• 6

• -6

• 22

• -22

• No solution