Unit 9 ReTest

Simplify the following radical: √24

• 2√6
• 4√6
• 2√12
• 3√8

Simplify the following radical: √300

• 3√10
• 2√150
• 100√3
• 10√3

Which is equivalent to √121p⁵r⁷s⁴?

• 11prs √pr
• 11p^2.5r^3.5s² √pr
• 11p²r³s² √pr
• 11p²r³s²

What is the inverse of the given coordinates: (1, 2) (3, 8) (-3, 6)

• (1, 2) (3, 8) (-3, 6)
• (1, 2) (8, 3) (-3, 6)
• (-1, -2) (-3, -8) (3, -6)
• (2, 1) (8, 3) (6, -3)

Are these the graphs of two inverse functions?

• Yes
• No
• No way to tell

Will the inverse of this function, be a function?

• No
• Yes
• No way to tell

What is the linear function that an inverse graph will reflect across?

• y = x

• y = 0

  (the x-axis)

• x = 0

  (the y-axis)

• y = 1

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

What is the first step in finding the equation of the inverse of a function?

• get x by itself
• switch x and y
• solve for y
• write the function in inverse function notation