Quadratic Functions

Find the area of the shape

• 2a²+2a

• 3a+1

• 6a+2

• 3a+2a

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Given the equation above, find h(-3).

• -13
• 5
• -23
• 23

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

What is the range of this function?

• (- ∞,+∞)
• [0, +∞)
• [-2, +∞)
• [2, +∞)

• (x+10)(x+1)

• x(x+9+20)

• (x+4)(x+5)

• (x-4)(x+5)

• x=12

• x=1

• x=-6

• x=6

Where does the graph cross the x-axis?

• (-1,0) and (3,0)

• (0,-3)

• (0,0)

• (1.0)(0,3)

Factor by using GCF:
8n³ + 2n²

• 2n²(4n-1)
• 2n²(4n + 1)
• n²(8n+2)
• 3n(4n+1)