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Sarah Byom and Samantha Kingery * Multiple Choice Questions

Multiple Choice Questions

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Multiple Choice Questions. Sarah Byom and Samantha Kingery. 1. Divide using synthetic division: X 3 -5x 2 +3x X+1 A. x 2 -6x+9+ -11/x+1B . x 2 -4x+1 C. x 2 +6x+3D. x2-6x+3+-11/x+1. A. Answer:. 2. Divide using synthetic division: 9x 3 +7x 2 -3x X-10 A. 9x 3 +97x+967-9670/x-10 - PowerPoint PPT Presentation

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Page 1: Multiple Choice Questions

Sarah Byom and Samantha Kingery

*Multiple Choice Questions

Page 2: Multiple Choice Questions

*1. Divide using synthetic division:X3-5x2+3x

X+1

A. x2-6x+9+ -11/x+1 B. x2-4x+1

C. x2+6x+3 D. x2-6x+3+-11/x+1

Page 3: Multiple Choice Questions

*Answer:

A.

Page 4: Multiple Choice Questions

*2. Divide using synthetic division:9x3+7x2-3x

X-10

A. 9x3+97x+967-9670/x-10B. 9x2+97x+967+9670/x-10C. 3x2-97x-9676D. 3x2-97x+9670

Page 5: Multiple Choice Questions

*Answer:

B.

Page 6: Multiple Choice Questions

*3. Use the remainder theorem to find the remainder when f(x) is divided by

x-k.f(x)=2x2-3x+1; k+2

A. 15 B. 9

C. 18 D. 3

Page 7: Multiple Choice Questions

*Answer:

D.

Page 8: Multiple Choice Questions

*4. Use the remainder theorem to find the remainder when f(x) is divided by

x-k.f(x)=x3-x2+2x-1; k=-3

A. 41 B. -43

C. -46 D. -32

Page 9: Multiple Choice Questions

*Answer:

B.

Page 10: Multiple Choice Questions

*5. Use the factor theorem to determine whether the first

polynomial is a factor of the second polynomial.

X-1; f(x)=x3-x2+x-1

A. No solution B. no

C. yes D. 0

Page 11: Multiple Choice Questions

*Answer:

C.

Page 12: Multiple Choice Questions

*6. Use the factor theorem to determine whether the first

polynomial is a factor of the second polynomial.

X-2; f(x)=x3+3x-4

A. No solution B. no

C. yes D. 0

Page 13: Multiple Choice Questions

*Answer:

B.

Page 14: Multiple Choice Questions

*7. What is 5x4-3x+1 divided by 4-x?

A. -5x3-20x2-80x-317+-1269/4-xB. 5x3+20x2+80x+317-1296/4-xC. 15x2-40x-228-1193/4-x

D. 25x3-3x2+45x-1274

Page 15: Multiple Choice Questions

*Answer:

A.

Page 16: Multiple Choice Questions

*8. What is the remainder of f(x)=2x3-3x2+4x-7; k=2

A. 20 B. 2

C. 10 D. 5

Page 17: Multiple Choice Questions

*Answer:

D.

Page 18: Multiple Choice Questions

*9. Find the real zeros of the function. Identify as rational or irrational.

f(x)=2x3-3x2-4x+6

A. Rational zero: 3/2 Irrational zeros:+/- 2B. Rational zero: none Irrational zeros: noneC. Rational zeros: 2 & 3 Irrational zero: 3/2 D. Rational zeros: 3/2 Irrational zeros: none

Page 19: Multiple Choice Questions

*Answer:

A.

Page 20: Multiple Choice Questions

*10. Find the real zeros of the function. Identify as rational or irrational.

f(x)=2x4-7x3-2x2-7x-4

A. Rational zero: 1/2 Irrational zeros: 1B. Rational zero: 1 Irrational zeros: noneC. Rational zeros: 2 & 4 Irrational zero: 3/2 D. Rational zeros: -1/2 & 4 Irrational zeros: none

Page 21: Multiple Choice Questions

*Answer:

D.