Final Review

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x

• None of these

 $Simplify:\ \ 5x^2\ +\ 14y\ -9y\ +\ x^2\ -7x^2-y$  

•  $13x^2+\ 24y$  

•  $-13x^2\ +\ 13y$  

•   $-x^2\ +\ 4y$  

•  $x^2\ -\ 4y$  

Factor

k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Find x.

• 3
• 2
• -2
• 1

Identify a root

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Identify the y-intercept

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Identify the vertex

• (-1,-9)
• (0,-8)
• (-4,0)
• (0,0)

What is the green dashed line called?

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

Maximum or Minimum

• Maximum

• Minimum

Which function is graphed?

• f(x) = 2|x + 2| -4
• f(x) = 2|x - 4| + 2
• f(x) = |x + 2| - 4
• f(x) = -2|x - 4|