Review so far: Units 1-4

Find the solution to the following inequality:

6(x - 5) < 7x - 4

• x ≥ 26

• x > -26

• x < -26

• -x > 26

If A = 3x² - 6x  and B = 12x- 6x², what is B - A?

• -9x² + 18x
• 9x² - 18x
• -3x² + 6x
• -3x²

(x + 7)(x + 9)

• x² + 63x + 16
• x² + 16x + 63
• x² + 79
• x² + 16x + 2

(x - 3)(x +10)

• x² - 7x + 13
• x² - 6x - 30
• x² + 7x - 30
• x² + 13x + 30

Find the product:
(3x – 1)(x + 5) 

• 3x² + 4x + 5
• 3x² + 4x - 5
• 3x² + 14x + 5
• 3x² + 14x - 5

Simplify:
(x-7)²

• x²-49
• x²+49
• x²-14x+49
• x²-14x-49

(x-3)(x²+2x+7)

• x³-x²+x-21
• x³+5x+13x-21
• x³-3x²+7x-21
• x²+2x-3

What is the degree of the polynomial?
  9x⁵ - x⁴ + 2x

• 9
• 5
• 4
• 2

What is the leading coefficient of the polynomial?
  7x⁵ - 9x² + 6x

• 7
• 5
• 9
• 2

What is the leading coefficient of this polynomial?

• 8

• -4

• -1

• 1