Question

question 5
which of the following is a factor of (f^2 + 4f + 3)?

• ((f + 1))
• ((f + 4))
• ((f - 3))
• ((f - 1))

question 6
which of the following is a factor of (x^2 - 8x + 15)?

• ((x - 3))
• ((x + 5))
• ((x + 3))
• ((x - 15))

question 7
one of the factors of (x^2 - 4x - 12) is

• ((x + 6))
• ((x - 3))
• ((x - 6))
• ((x + 12))

question 8
factor: (2k^2 + 8k + 8)

• ((2k - 4)(k - 2))
• (2(k - 2)(k + 2))
• ((2 - 2k)(k - 4))
• (2(k + 2)^2)

Explanation:

Factor the trinomial in Question 5

$$
LATEXBLOCK0
$$

Factor the trinomial in Question 6

$$
LATEXBLOCK1
$$

Factor the trinomial in Question 7

$$
LATEXBLOCK2
$$

Factor the expression in Question 8

$$
LATEXBLOCK3
$$

Answer:

Question 5

• (A) \((f + 1)\) (Correct answer)
• (B) \((f + 4)\)
• (C) \((f - 3)\)
• (D) \((f - 1)\)

Question 6

• (A) \((x - 3)\) (Correct answer)
• (B) \((x + 5)\)
• (C) \((x + 3)\)
• (D) \((x - 15)\)

Question 7

• (A) \((x + 6)\)
• (B) \((x - 3)\)
• (C) \((x - 6)\) (Correct answer)
• (D) \((x + 12)\)

Question 8

• (A) \((2k - 4)(k - 2)\)
• (B) \(2(k - 2)(k + 2)\)
• (C) \((2 - 2k)(k - 4)\)
• (D) \(2(k + 2)^2\) (Correct answer)