Review on Quadratic Functions

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

What is the green dot on the parabola called?

• vertex
• root
• dot
• minimum value

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

Find the Vertex:
y = x² + 6x + 2

• (-3,-7)
• (1,6)
• (6,2)
• No Real Solution

y = (x-9)²+5
What is the vertex? 

• (-9,5)
• (9,5)
• (5,-9)
• (-5,9)

What is vertex form of a quadratic function

• ax² + bx + c
• a(x - h)² + k
• y - y₁ = m(x - x₁)
• Ax + By = C

What is the y-intercept of the following funtion
f(x) = -2x² +3x - 7

• (0, -2)
• (0, 3)
• (0, -7)
• (0, 7)

Factor
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)
• (5,-12)
• (5, 12)
• (-5, 12)