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4.3 Review

Authored by Moriah Pew

Mathematics

10th Grade

Used 2+ times

4.3 Review
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8 questions

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1.

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.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If you are missing an exponent in your polynomial you must put a zero as a coefficient place holder for that exponent

True
False

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How can I tell, when doing synthetic division, if the binomial is a FACTOR of the dividend?

The remainder is zero

They are all factors

We can't tell

The remainder is a constant

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(2x3 - 5x - 7) ÷ (x - 2)

2x3 - 4x2 + 3x - 13
2x3 + 4x2 +3x - 1
2x2 - 4x + 3 - 13/x-2
2x2 + 4x + 3 - 1/x-2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Use synthetic division:
(2x3 - 5x - 7) ÷ (x - 2)

2x3 - 4x2 + 3x - 13
2x3 + 4x2 +3x - 1
2x2 - 4x + 3 - 13/x-2
2x2 + 4x + 3 - 1/x-2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3x3 - 2x2 - 7x + 6) ÷ (x + 1)

3x3 - 5x2 - 2x + 8
3x2 + x - 6
3x2 - 5x - 2 + 8/x+1
3x3 + x2 - 6x

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2x3 - 5x2 + 3x + 7) ÷ (x - 2)

2x3 - x2 + x + 9
2x2 - x + 1
2x2 - x + 1 + 9/x-2
2x2 - 9x - 15 - 23/x-2

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