Checkpoint 8 review

If red represents y = x², which equation represents blue?

• y = 2x²
• y = -2x²
• y = -x²
• y = (x - 1)²

What is the vertical shift of this equation?
f(x) = -(x + 3)² - 5

• left 5
• right 5
• up 5
• down 5

Does the graph of this equation open up or down? 
f(x) = -(x + 3)² - 5

• up
• down

What is the vertex of the quadratic function: y=2(x - 3)² + 8?

• (3, 8)

• (-3, -8)

• (-3, 8)

• (3, -8)

Given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the axis of symmetry in a function?

• The transformation of the graph

• The vertex, represented by (h,k)

• A vertical line that passes through the vertex and divides the parabola in half

• y = h

What is the axis of symmetry in the function f(x) = (x-1)² +2

• x = 1

• x = -1

• x = 2

• x = -2

What type of function is shown?

• linear
• quadratic
• square root
• absolute value

Which parent function matches the graph?

• y = |x|
• y = x
• y = x²
• y = 2^x

Name the parent function.

• linear
• quadratic
• cube root
• cubic