Quadratic functions

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

Which function has an absolute minimum?

• 
• 
• 
• All of the above

Which function has an axis of symmetry of x = 0?

• 
• 
• 
• None of the above

x²+8x+17=5

• x²+8x+12

• (x²+8x)+17

• (x+8)²-12

• (x+4)²-4

4a²+16a-39=0

• 4(a²+16a)-39

• 4(a+2)²-55

• (a+2)²-16

• 4(a+2)²-43

Factor completely: 2x²+22x+60

• (2x+10)(x+6)
• (x+5)(x+6)
• 2(x+1)(x+30)
• 2(x+5)(x+6)

Factor completely: x²+16x+64

• (x+4)(x+16)
• (x-8)(x-8)
• (x+2)(x+32)
• (x+8)(x+8)