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Synthetic Division

Authored by Mark Rosario

Mathematics

9th Grade

Used 2+ times

Synthetic Division
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13 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

x3-3x2-10x+24 ÷ x+3

x2-7x+5
x-8
x2-6x+8
x+9

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(3x3 + 5x - 1) ÷ (x + 1)

3x3 - 3x2 + 8x - 9
3x2 - 3x + 8 - 9/x+1
3x2 + 3x + 8 + 7/x+1
3x3 + 3x2 + 8x + 7

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(2x3 + 5x2 + 9) ÷ (x + 3)

2x2 - x + 3
2x3 - x2 + 3x
2x2 + 11x + 33 + 108/x+3
2x2 - 5x + 12

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Let f(x) = 4x2 -33x -27.  Is k = 9 a zero of the function?

yes
no

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Let f(x) = 3x2 - 9x +2.
Is k = -3 a zero of the function?

yes
no

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Cam divided (x4 + 3x2 - 4x - 2) by factor of (x-2) using synthetic division. His work is shown above. Which best describes his mistake?

Cam wrote the remainder incorrectly.

Cam did not use a zero place holder for the x3 term.

Cam added instead of subtracting the rows.

Cam should have used -2 as his division since the factor was x-2.

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the proper way to write the answer for the following problem?

2x3-x2-25x+12

2x4-x3-25x2-12x+0

2x3-x2-25x-12

2x4-x3-25x2-12x-0

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