12.1 Vertex form practice

What is the equation of the graph below?

• f(x) = I x I + 1
• f(x) = I x I - 1
• f(x) = -I x I + 1
• f(x) = -I x I - 1

What is the equation of the graph below?

• f(x) = I x + 2 I 
• f(x) = I x + 2 I +2
• f(x) = I x - 2 I +2
• f(x) = I x - 2 I 

Describe the transformation of the equation below from the parent function of y = I x I
y = -2 I x - 3 I + 3

• reflected over x axis, stretched by 2, right 3, up 3
• reflected over x axis, stretched by 2, left 3 up 3.
• reflected over x axis, shrunk by 2, right 3, up 3
• reflected over the x axis, shrunk by 2, left 3, up 3

What is the equation of the absolute value function?

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

Solve  | 2x - 1 | = -4

• x = ¹/₂ and x = -4
• No Solution
• x = ^-3/₂ and x = ⁵/₂
• x = ³/₂ and x = ^-5/₂

What is the vertex of the absolute value function?

• (4, 0)
• (0, 4)
• (-4, 0)

• (0, -4)

What is the value of "h" in the following absolute value function?

y= -2|x+10|+3

• -10

• 10

• 3

• -3

• -2

Describe the transformations of the following function when compared to the absolute value parent function.

y= -2|x+10|+3

• Reflection across the x-axis

• Vertical stretch by a factor of 2

• Shift left 10 units

• Shift right 10 units

• Shift up 3 units

What is the value of "a" in the following absolute value function?

y= -2|x+10|+3

• -10

• 10

• 3

• -3

• -2

What is the value of "k" in the following absolute value function?

y= -2|x+10|+3

• -10

• 10

• 3

• -3

• -2