Polynomial Functions Test Part 2

Simplify: √24

• 4√6

• 2√6

• 6√2

• 2√12

Divide using synthetic division:

(3x³ - 2x² - 7x + 6) ÷ (x + 1)

• 3x³ - 5x² - 2x + 8

• 3x² + x - 6

• 3x² - 5x - 2 + 8/x+1

• 3x³ + x² - 6x

Divide using synthetic division:

(2x³ + 5x² + 9) ÷ (x + 3)

• 2x² - x + 3

• 2x³ - x² + 3x

• 2x² + 11x + 33 + 108/x+3

• 2x² - 5x + 12

Solve by factoring:

x²-7x=0

• x= 0, -7

• x= 0, 7

• x= 1, -7

• x= -1, 7

Solve by factoring: 6x²-x-2=0

• x= -2/3, 1/2

• x= 2/3, -1/2

• x= -2/3, -1/2

• x= 6, -2

Solve by factoring: 81x² - 25 = 0

• x= 5/9, -5/9

• x= -5/9, -5/9

• x= 5/9, 5/9

• x= 9/5, -9/5

Find the roots.

• x = -1, x = 3

• x = -2, x = 3

• x = -1, x = 4

• x = 1, x = 4

The graph of f(x) is shown. Based on this graph, what are the zeros of this graph?

• 1 and -5

• -1 and 5

• 2 and -9

• -1 and -5 and 5

Solve using the quadratic formula:

 $x^2+3x-3=0$  

•  $x=\frac{-3\pm\sqrt{21}}{2}$  

•  $x=\frac{3\pm\sqrt{21}}{2}$  

•  $x=\frac{-3\pm i\sqrt{3}}{2}$  

•  $x=\frac{-3\pm\sqrt{15}}{2}$  

Solve using the quadratic formula:

 $2x^2+2x=6$  

•  $x=\frac{-1\pm\sqrt{26}}{2}$  

•  $x=\frac{-1\pm\sqrt{13}}{2}$  

•  $x=\frac{-1\pm2\sqrt{13}}{2}$  

•  $x=\frac{-1\pm i\sqrt{11}}{2}$