Unit 3 Multiple Choice Review A A C

Unit 3 Multiple Choice Review

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A

C

A

B

A

B

B

D

C

C

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B

C

C

C

C

A

D

A

D

A

Question #24 If a polynomial has a zero at -3 i, what must also be true? A) The polynomial has no real zeros. B) The polynomial is not factorable. C) The polynomial has a zero at 3 i D) The polynomial has a zero at -3. C

Question #25 The polynomial p(x) = -2 x 3 + 3 x + 4 is given. Which conclusion is valid if p(-1) = 3? A) (x + 1) is a factor of p(x) B) (x – 3) is a factor of p(x) C) the remainder of p(x) divided by (x + 1) is 3 D) The remainder of p(x) divided by (x – 3) is -1 C

Question #26 Which value is NOT a solution to the equation 3 m(m – 4)(m + 5) = 0? A) B) C) D) m=3 m=4 m=0 m = -5 A

Question #27 O A graph of a function is shown on the coordinate plane D O Which function does the graph represent? O A) (x – 7)(x – 3)(x + 10) O B) (x + 7)(x + 3)(x + 10) O C) (x + 7)(x + 3)(x – 3)(x + 10) O D) (x + 7)(x + 3)(x – 10)

Question # 28 O Which statement BEST describes the end behavior of f(x) = 12 – 4 x + 9 x 2 – 9 x 3 + 5 x 4 O A) f(x) approaches -∞ as x approaches -∞, and f(x) approaches ∞ as x approaches ∞. O B) f(x) approaches -∞ as x approaches -∞, f(x) approaches -∞ as x approaches ∞. O C) f(x) approaches ∞ as x approaches -∞, f(x) approaches -∞ as x approaches ∞. O D) f(x) approaches ∞ as x approaches -∞, f(x) approaches ∞ as x approaches ∞. D