Chapter 5 Review

Factor by grouping:
5n³-10n²+3n-6

• (5n²+3)(n-2)
• (5n²-3)(n-2)
• (5n³+3)(n-2)
• 10n(n²-6)

Factor & Solve:

x³ + 3x² - 4x -12 = 0

• 4, -3

• 2, 3, -2

• 2, -3

• -2, -3, 2

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

• 0

• 3

How many real zeros does the function have?

• None
• 2
• 3
• 4

Given the following zeros, write an equation in standard form.

zeros: -5, -4, 3

• (x+5)(x+4)(x-3)

Create a polynomial from the following zeros: x = 3, -4

• x² + x - 12

• x² + 7x - 12

• x² - 7x - 12

• x² - x - 12

For synthetic division, what would be the number in the left hand box?

• 0
• 1
• 2
• 3

(2x³ + 5x² + 9)
÷
(x + 3)

• 2x² - x + 3
• 2x³ - x² + 3x
• 2x² + 11x + 33 + 108/x+3
• 2x² - 5x + 12

x³-3x²-10x+24
 ÷
 x+3

• x²-7x+5
• x-8
• x²-6x+8
• x+9