quadratics

What are the factors of
25x² - 81?

• (5x - 9)(5x + 9)
• (5x - 9)(5x - 9)
• (5x + 9)(5x + 9)
• Cannot be factored

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Factor completely: 2x²+22x+60

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

What are the x-intercepts? Check all that apply.

• -1

• -7

• 1

• 7

• -4

The graph corresponds to which equation?

• y = (x + 1)(x - 4)

• y = (x - 1)(x + 4)

• y = (x + 1)(x + 4)

• y = (x - 1)(x - 4)

Find the x-intercepts of the parabola.  Check all that apply.
 $y=x^2+6x+5$  

• -5

• -1

• 3

• -4

• 6

Find the x-intercepts of the parabola. Check all that apply.
 $y=x^2+3x-18$  

• 3

• -6

• -3

• 9

• -18

The highest or lowest point on a quadratic is called the...

• Max
• Vertex
• Axis of Symmetry
• Intercept

A point on a graph that has the coordinates (0,___) is called a...

• x-intercept
• vertex
• maximum
• y-intercept

The vertex of this quadratic is...

• (1,16)
• (-3,0)
• (5,0)
• (0,15)