
Divide Polynomials by Binomials
Presentation
•
Mathematics
•
11th Grade
•
Hard
Joseph Anderson
FREE Resource
10 Slides • 18 Questions
1
2.4 Dividing Polynomials; Remainder and Factor Theorems
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Multiple Choice
This work shows x2−3x+5÷x−2 . What information does this reveal? #2
x-2 is not a factor of x2−3x+5 since the remainder is 3.
x-2 is a factor of x2−3x+5 since the remainder is 3.
8
Match
Match the following: #5
is a factor of 5x2−10x−40
is a solution of 5x2−10x−40
0
x+2
x + 2...
-2...
The remainder is...
5x2 -10x - 40 is being divided by...
x + 2...
-2...
The remainder is...
5x2 -10x - 40 is being divided by...
9
Multiple Choice
Complete the problem shown here.
Use the remainder to determine whether 5 is a solution of p(x)=2x3−12x2+11x−5 .#8
5 is a solution of p(x) since the remainder is 0.
5 is a solution of p(x) since the remainder is 100.
5 is not a solution of p(x) since the remainder is 0.
5 is not a solution of p(x) since the remainder is 100.
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Multiple Choice
The work here shows that dividing x2+16 by x+4 results in a remainder of 32. Which statement is true based on the work shown here? #10
-4 is a solution of x2+16
4 is a solution of x2+16
x+4 is not a factor of x2+16
x-4 is not a factor of x2+16
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Multiple Choice
Complete the synthetic division and use the remainder to determine a true statement concerning p(x) and its solutions. #11
-2 is a solution of p(x) since the remainder is equal to 0.
-2 is not a solution of p(x) since the remainder is equal to 1.
-2 is not a solution of p(x) since the remainder is equal to 33.
2 is not a solution of p(x) since the remainder is equal to -1.
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Multiple Choice
Assume that a polynomial has a solution at the x-value 4.
Which of the following must be a factor of that same polynomial? #15
4x
x-4
x+4
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Multiple Choice
What is the remainder when a3 - 4 is divided by a+2? #19
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Multiple Choice
Finish dividing p(x)=5x3+34x2+26x+C by x+6. Determine what value C must equal if x+6 is a factor of p(x). #17
C would need to be equal to 0.
C would need to be equal to 12.
C would need to be equal to -12.
C would need to be equal to 300.
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Multiple Choice
Which binomial is a factor of f(x)= x3 -6x2 +3x +10? #18
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Multiple Choice
Which binomial is a factor of f(x)= x3 + x2 -24x +36? #20
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Multiple Choice
What is the remainder of (3x3 -5x2 -4x +1) ÷ (x + 3)? #21
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Multiple Choice
What is the proper way to write the answer for the following problem? #26
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Multiple Choice
Cam divided (x4 + 3x2 - 4x - 2) by factor of (x-2) using synthetic division. His work is shown above. Which best describes his mistake? #28
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.
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Multiple Choice
It's time to write the answer. What goes in the yellow area? #30
n−9
9
-9
6n2−48n−58
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Multiple Choice
What is the next step in the synthetic division? #32
Add the -48 to the 54
Multiply the 54 and 6
Divide the 54 by 6
Bring down the -58
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Multiple Choice
(4x4−8x3−3x2+7x−2)÷(2x−1)
Use long division to evaluate. #36
2x3−3x2−3x+2
2x3+3x2+3x+2
2x3−3x2−3x−2
2x3+2
27
Multiple Choice
Solve using long division. (8x2+6x−20)÷(4x−5) . #38
2x−4
2x+4
2x−1−4x−516
2x−4−4x−540
28
Multiple Choice
Is this division problem worked correctly? #39
2.4 Dividing Polynomials; Remainder and Factor Theorems
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