Quadratic Functions

What is the equation for the axis of symmetry?

• y=3
• x=3
• x=5
• x=1

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

• maximum
• minimum

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

What is the formula to find the vertex of a parabola?

• x = -b/2
• x = -b
• x = -b / (2a)
• x = -b / 2

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• none of these

Solve by factoring:3x² + 5x + 2 = 0  

• x = -1/3 and x = -2

• x = -3/2 and x = -1
• x = 2/3 and x = 1
• x = 2/3 and x = -1

Solve for x: 
(x+6)²=49

• x=7,12
• x=±7
• x=1,-13
• x=43,-55

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Identify the 'b' value: y = 16x² -8x -24

• 16

• -8

• 8

• -24

Factor: x² + 2x – 3

• (x - 2)(x + 1)
• (x + 1)(x - 3)
• (x + 2)(x - 1)
• (x - 1)(x + 3)