Polynomials Factoring Descartes Rule

What are the factors of 7x² + 16x + 4?

• (7x + 4) (x + 1

• (7x - 2) (x - 2)

• (7x + 2) (x + 2)

• (7x - 2) (x + 2)

Factor:

2x² + 3x - 9

• 2(x + 3)(x - 3)

• (2x - 3)²

• (x + 3)(2x - 3)

• (2x + 3)(x - 3)

The trinomial 4x² -20x + 25 is factorable. Which of these is the correct factorization?

• (2x+5)(2x-5)

Which function is equivalent to: h(x)= 3x² + 10x - 8?

• h(x)=(3x + 2)(x + 4)

• h(x)=(7x + 5)(x + 2)

• h(x)=(3x - 2)(x + 4)

• h(x)=(7x - 3)(x - 4)

Factor 4y³ + y + 12y² + 3 by grouping. Remember to look for Standard Form, then for common factors.

• 4y²(y + 3) + 3

• 4y³ + 12y² + y + 3

• (4y² + 1)(y + 3)

Factor 2x² + 4x – 3x – 6 by grouping. Remember to look for Standard Form, then for common factors.

• (2x – 3)(x + 2)

• 2x² + x - 6

• (2x + 3)(x - 2)

Factor x³ – 2x – 4x² + 8 by grouping. Remember to look for Standard Form, then for common factors.

• x³ - 4x² - 2x + 8

• (x – 4)(x² – 2)

• (x – 2)(x² – 4)

Factor by grouping:

5n³-10n²+3n-6

• (5n²+3)(n-2)

• (5n³+3)(n-2)

• (5n²-3)(n-2)

• 10n(n²-6)

Factor
n²-13n+40

• (n-5)(n-8)

• (n+5)(n-8)

• (n-5)(n+8)

• (n+6)(n+1)

Factor
3v² - 4v - 7

• (3v-7)(v+1)

• 3(v-7)(v-1)

• (3v+1)(v-9)

• (3v+1)(v-10)